Imagine you are celebrating your birthday in the café. You have invited three close friends and your sister. Your friends have ordered: 2 cheesecakes, 1 panna cotta, 9 scoops of ice cream and 3 Americanos while your sister has ordered 1 apple strudel, 2 scoops of ice cream and 1 Cappuccino. Study the menu and calculate how much you will pay for your company.