Exercise 5) (4 pts)

Write a program named "Exercise5.cpp", which reads A, B, and C grade characters until the

user types Q, and displays the GPA with 2 decimal format at the end. Use the scale A=4.0, B =

3.0, C = 2.0. The following are two test cases. The user inputs of the first case are A A BQ,

and the inputs of the second case are C B BCAQ.

Type one letter grade or Q (quit).

A

Type one letter grade or Q (quit).

A

Type one letter grade or Q (quit).

B

Type one letter grade or Q

(quit).

Q

Your GPA is: 3.67

Type one letter grade or Q (quit).

с

Type one letter grade or Q (quit).

B

Type one letter grade or Q (quit).

B

Type one letter grade or Q (quit).

с

Type one letter grade or Q (quit).

A

Type one letter grade or Q (quit).

8

Your GPA is: 2.80