What do you want to purchase: 1. Milk - $5 2. Ice Cream - $4 3. Bread - $6 4. Frozen Pizza - $20 99. I am done, checkout please Enter your selection: 1 You have purchased Milk for $5 What do you want to purchase: 1. Milk - $5 2. Ice Cream - $4 3. Bread - $6 4. Frozen Pizza - $20 99. I am done, checkout please Enter your selection: 4 You have purchased Frozen Pizza for $20. What do you want to purchase: 1. Milk - $5 2. Ice Cream - $4 3. Bread - $6 4. Frozen Pizza - $20 99. I am done, checkout please Enter your selection: 99 You have purchased the following items: milk frozen pizza Please pay $25, thank you for your business.