Use Python to build an application that provides the following features:
1. Input for the name & email of the client (0.5 mark)
2. If name & email are not entered an error message should be performed after running the code (1.5 marks)
3. At least 4 items on sale using input boxes. (2 marks)
4. Aside from the error message in point 2, when running the code you must also find:
o the subtotal = price of the items (without vat) and display it (1.5 marks)
o The value of vat = 5% of the subtotal and display it (1.5 marks)
o The total = subtotal + vat and display it (1 mark)
5. Creativity & originality (2 marks)
a. Choose your own idea and follow the questions and guidelines mentioned before.
b. Give a name and explanation of your idea.