Numerical Scores Letter Grade Grade Points (Per Credit) 93 and above A Excellent 4.0 90 - 92 A- 3.7 87-89 B+ 3.3 83 - 86 B Good 3.0 80-82 B- 2.7 77 - 79 C+ 2.3 73 - 76 C Average 2.0 70 - 72 C- 1.7 67-69 D+ 1.3 60 - 66 D Poor 1.0 Below 60 F* Failure 0.0 |** Incomplete 0.0 W** Withdrawal 0.0 R** Retaken 0.0 Take Three students Full Name,id, section total marks from user input.Calculate their grade and grade point using NSU grading policy.Then Print all information (Solve this problem using if,else if and switch..case)