100% or above = A+

99% - 92% = A

91% - 90% A-

89% - 88% = B+

87% - 82% = B

81% - 80% = B-

79% - 78% = C+

77% - 72% = C

71% - 70% = C-

69% - 68% = D+

67% - 62% = D

61% = 60% = D-

59% or below = E