In visual basic. Write a program to calculate the cost of a pizza order. The user will input the number of pizzas the customer wants to order into the form and the program will determine the total cost of the order and display it in the form. The customer receives a quantity discount; when ordering 3 or more pies the price is $10.50 per pie, otherwise the price is $11.75 per pie. Additionally, there is a 5% discount on orders whose total cost is greater than $40 or a 10% discount for orders greater than $60. The final cost is to be displayed in the form.