diff --git a/src/kitUI/Cart/Cart.tsx b/src/kitUI/Cart/Cart.tsx
index 4abf479..6e00f2e 100644
--- a/src/kitUI/Cart/Cart.tsx
+++ b/src/kitUI/Cart/Cart.tsx
@@ -21,6 +21,7 @@ export default function Cart({ selectedTariffs }: Props) {
     const cartTotal = useCartStore(state => state.cartTotal);
     const setCartTotal = useCartStore(store => store.setCartTotal);
     const [couponField, setCouponField] = useState<string>("");
+    const [loyaltyField, setLoyaltyField] = useState<string>("");
     const [errorMessage, setErrorMessage] = useState<string | null>(null);
     const [isNonCommercial, setIsNonCommercial] = useState<boolean>(false);
 
@@ -89,7 +90,22 @@ export default function Cart({ selectedTariffs }: Props) {
     function handleCalcCartClick() {
         const cartTariffs = tariffs.filter(tariff => selectedTariffs.includes(tariff.id));
         const cartItems = cartTariffs.map(tariff => createCartItem(tariff));
-        const cartData = calcCartData(testUser, cartItems, discounts, isNonCommercial, couponField);
+
+        const loyaltyValue = parseInt(loyaltyField);
+
+        if (!isFinite(loyaltyValue)) {
+            setErrorMessage("Лояльность не число");
+            return;
+        }
+
+        const cartData = calcCartData({
+            user: testUser,
+            purchasesAmount: loyaltyValue,
+            cartItems,
+            discounts,
+            isNonCommercial,
+            coupon: couponField,
+        });
 
         if (cartData instanceof Error) {
             setErrorMessage(cartData.message);
@@ -173,7 +189,35 @@ export default function Cart({ selectedTariffs }: Props) {
                         :
                         <Alert severity="error">Подходящий купон не найден!</Alert>
                 )}
-                <Button onClick={handleCalcCartClick} sx={{ ml: "auto" }}>рассчитать</Button>
+                <Box
+                    sx={{
+                        border: "1px solid white",
+                        padding: "3px",
+                        display: "flex",
+                        flexDirection: "column",
+                        ml: "auto",
+                    }}
+                >
+                    <Input
+                        label="лояльность"
+                        size="small"
+                        type="number"
+                        value={loyaltyField}
+                        onChange={e => setLoyaltyField(e.target.value)}
+                        InputProps={{
+                            style: {
+                                backgroundColor: theme.palette.content.main,
+                                color: theme.palette.secondary.main,
+                            }
+                        }}
+                        InputLabelProps={{
+                            style: {
+                                color: theme.palette.secondary.main
+                            }
+                        }}
+                    />
+                </Box>
+                <Button onClick={handleCalcCartClick}>рассчитать</Button>
             </Paper>
 
             {cartTotal?.items && cartTotal.items.length > 0 &&
diff --git a/src/kitUI/Cart/calc.test.ts b/src/kitUI/Cart/calc.test.ts
index d53ff4e..c6803c9 100644
--- a/src/kitUI/Cart/calc.test.ts
+++ b/src/kitUI/Cart/calc.test.ts
@@ -12,7 +12,12 @@ describe("cart tests", () => {
     it("без скидок", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[0]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -36,7 +41,12 @@ describe("cart tests", () => {
             );
         });
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discountsWithoutTemplategen) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts: discountsWithoutTemplategen,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -60,7 +70,12 @@ describe("cart tests", () => {
             );
         });
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discountsWithoutTemplategen) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts: discountsWithoutTemplategen,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -84,7 +99,12 @@ describe("cart tests", () => {
             );
         });
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discountsWithoutTemplategen) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts: discountsWithoutTemplategen,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -108,7 +128,12 @@ describe("cart tests", () => {
             );
         });
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discountsWithoutTemplategen) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts: discountsWithoutTemplategen,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -124,7 +149,12 @@ describe("cart tests", () => {
     it("история про то, как скидки за привилегии помешали получить скидку за сервис", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[5]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -140,7 +170,12 @@ describe("cart tests", () => {
     it("то же что и выше, но без лояльности", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[6]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -156,7 +191,12 @@ describe("cart tests", () => {
     it("история про то, как получилось получить скидку за сервис", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[7]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -172,7 +212,12 @@ describe("cart tests", () => {
     it("две скидки за сервис", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[8]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -188,7 +233,14 @@ describe("cart tests", () => {
     it("юзер использовал промокод id33. он заменяет скидку на p6 собой. в один момент времени может быть активирован только 1 промокод, т.е. после активации следующего, предыдущий заменяется. но в промокоде может быть несколько скидок. промокоды имеют скидки только на привелеги", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[9]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts, false, "ABCD") as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+            isNonCommercial: false,
+            coupon: "ABCD",
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -204,7 +256,13 @@ describe("cart tests", () => {
     it("юзер подтвердил свой статус НКО, поэтому, не смотря на то что он достиг по лояльности уровня скидки id2, она не применилась, а применилась id32", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[10]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts, true) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+            isNonCommercial: true,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
@@ -220,7 +278,12 @@ describe("cart tests", () => {
     it("case 12", () => {
         const testCase = prepareTestCase(exampleCartValues.testCases[11]);
 
-        const cartTotal = calcCartData(testCase.user, testCase.cartItems, discounts) as CartTotal;
+        const cartTotal = calcCartData({
+            user: testCase.user,
+            purchasesAmount: testCase.user.PurchasesAmount,
+            cartItems: testCase.cartItems,
+            discounts,
+        }) as CartTotal;
         const allEnvolvedDiscounts: string[] = [...cartTotal.envolvedCartDiscounts.map(discount => discount._id)];
         cartTotal.items.forEach(cartItem => {
             allEnvolvedDiscounts.push(...cartItem.envolvedDiscounts.map(discount => discount._id));
diff --git a/src/kitUI/Cart/calc.ts b/src/kitUI/Cart/calc.ts
index 160cf6f..5e94f8a 100644
--- a/src/kitUI/Cart/calc.ts
+++ b/src/kitUI/Cart/calc.ts
@@ -3,13 +3,14 @@ import { ServiceType, SERVICE_LIST, Tariff } from "../../model/tariff";
 import { User } from "../../model/user";
 
 
-export function calcCartData(
-    user: User,
-    cartItems: CartItem[],
-    discounts: AnyDiscount[],
-    isNonCommercial: boolean = false,
-    coupon?: string,
-): CartTotal | Error | null {
+export function calcCartData({ user, purchasesAmount, cartItems, discounts, isNonCommercial = false, coupon }: {
+    user: User;
+    purchasesAmount: number;
+    cartItems: CartItem[];
+    discounts: AnyDiscount[];
+    isNonCommercial?: boolean;
+    coupon?: string;
+}): CartTotal | Error | null {
     let isIncompatibleTariffs = false;
 
     const defaultTariffTypePresent: { [Key in ServiceType]: boolean } = {
@@ -126,7 +127,7 @@ export function calcCartData(
     }
 
     // layer 4
-    const totalPurchasesAmountDiscount = findMaxTotalPurchasesAmountDiscount(discounts, user.PurchasesAmount);
+    const totalPurchasesAmountDiscount = findMaxTotalPurchasesAmountDiscount(discounts, purchasesAmount);
     if (totalPurchasesAmountDiscount) {
         cartTotal.totalPrice *= totalPurchasesAmountDiscount.factor;
         cartTotal.envolvedCartDiscounts.push(totalPurchasesAmountDiscount);