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Assignment #5-Repetition Structures Grade Calculations CS 332- C++ Programming Points 75- Refer to Programming Assignment Rubric for grading guidelines Specifications Overview You work as a teaching assistant for your Computer Science Professor. One of your jobs is to average end of semester grades for the Computer Science 101 class and output the letter grade the student earns. Requirements You do not know the number of students in the class, but you know there is at least one student in the class so after your program performs the tasks for the first student, your program should ask you if you want to perform calculations for another student (Enter -1 to quit). The program should prompt you to enter the number of grades you want to enter, then loop asking you to enter the grade with the Prompt: "Enter grade n:". For example: Enter grade 1 Enter grade 2: Enter grade 3 Once the grades have been entered, your program should output what the letter grade is for the student using the following table: LETTER GRADE RANGE 89.5-100 79.5-89.4 69.5-79.4 59.5- 69.4