private void GetPurchasesInCart(string userId) { PurchaseModel purchase = new PurchaseModel(); decimal subTotal = 0; List <Purchase> purchaseList = purchase.getOrdersInCart(userId); CreateShopTable(purchaseList, out subTotal); decimal vat = subTotal * 0.21m; decimal totalAmount = subTotal + vat + 15; litTotal.Text = "£" + subTotal; LitVat.Text = "£" + vat; LitTotalAmount.Text = "£ " + totalAmount; }