A         93%-100%                 

A-        90%-92%                                           

B+       87%-89%                                           

B         83%-86%                                           

B-        80%-82%                               

C+       77%-79%

C         73%-76%

C-        70%-72%

D+       67%-69%

D         63%-66%

D-        60%-62%

F          0%-59%