100-98.5

A+

98.4-91.5

A

91.4-89.5

A-

89.4-87.5

B+

87.4-81.5

B

81.4-79.5

B-

79.4-77.5

C+

77.4-71.5

C

71.4-69.5

C-

69.4-61.5

D+

61.4-59.5

D

59.5-0

D-