1.C++ uses the_______________symbol to represent the AND operator.

2.The switch statement uses the value of a(n) _____________expression to determine which group of statements to branch through.

3.C++ allows the programmer to compare numeric values using ________________________

4.The local t-shirt shop sells shirts that retail for $12. Quantity dis-counts are given as follow:

Number of Shirts Discount

510 10%

1120 15%

2130 20%

31 or more 25%

Write a program that prompts the user for the number of shirts required and then computes the total price. Make sure the program accepts only nonnegative input.

Use the following sample runs to guide you:

Sample Run 1:

How many shirts would you like ?

4

The cost per shirt is $12 and the total cost is $48

Sample Run 2:

How many shirts would you like ?

0 The cost per shirt is $12 and the total cost is $0