Compute GPA program (Using C++) Write a program to compute your GPA.

Software Requirements: The user should have the letter grades and credits entered in a file(s).

Output: GPA to three decimal places, either to a file or the screen.

Required: 1.) Program listing with comments.

2.) Written program description: What are the input requirements? That is, explain what should the user input. Explain the meaning of the output. Explain how the program works, or how you wrote the program, what functions were used (their input requirements and their return values). Note, you can enhance your explanation by using some flowcharts or segments of flowcharts showing program decision.

Please provide the full program as simple as can be using c++.

Here are the course, letter grade, and amout of credits:

Course	Letter Grade	Number of Credits
BUS 240	A+	3
BUS 286	B-	3
CS 172	C+	4
MTH 115	A	4
ECO 103	A+	3