Cafe Caspian

The Cafe Caspian menu consists of the following items:

● Cola - Cold - 50p

● Coffee - Hot - £1.00

● Cheese Sandwich - Cold - £2.00

● Steak Sandwich - Hot - £4.50

Customers don’t know how much to tip and staff need tips to survive!

Step 1: Standard Bill

Create a .NET Core (any version) application which will accept a list of purchased items and produce a total bill. e.g. [“Cola”, “Coffee”, “Cheese Sandwich”] returns 3.5

Step 2: Service Charge

Add support for a service charge:

● When all purchased items are drinks no service charge is applied

● When purchased items include ​any​ food apply a service charge of 10% to the total bill (rounded to 2 decimal places)

● When purchased items include ​any hot​ food apply a service charge of 20% to the total bill with a maximum £20 service charge