*Grading:

A+=98-100%   A=93-97%   A-=90-92%

B+=88-89%     B=83-87%   B-=80-82%

C+=78-79%    C=73-77%  C-=70-72%

D+=68-69%    D=63-67%  D-=60-62%

F=59% and below