C# Program: How to code this assignment using C# program? Design a web application that calculates the cost of pizza according to the prices listed. The order page provides an order form and displays the final price. Write the code that will execute according to the program requirements.

Pizza Size Cost

1. Small $8.99

2. Medium $12.99

3. Large $15.99

4. Extra Large $18.99

5. Each Extra Topping (Cheese Include) $0.99

Requirements Document

1. This web application allows a customer to fill out an online pizza order form.

2. From a web application, the user should enter their name, address, and phone number. They also should select the size of pizza they would like to order and the toppings. The final cost of the order will be displayed.

3. The user must be able to enter information to order a pizza using a web form. The user will enter their first and last name, address, phone number, the size of the pizza from a DropDownList object and CheckBoxes displaying pizza topping choices (at least six kinds of toppings).

4. After the information is entered, the user taps or clicks the Submit button.

5. The application displays the final cost of the pizza order and a message that pizza will be delivered in under 45 minutes.

6. Show the Screenshot of the output.