ideal grading scale would be
A+ : 96 through 100
A : 81 through 95
A- : 76 through 80
B+ : 71 through 75
B : 66 through 70
B- : 61 through 65
C+ : 56 through 60
C : 46 through 55
C-: 41 through 45
D+ : 36 through 40
D : 26 through 35
D- : 21 through 25
F : 20 or lower