These grades are what  the results might look like
IF THIS WERE THE ONLY SCORE, i.e., no homework or other exam has been considered.
Note that the boundaries are loose and would be set carefully based
on more detail.

A      95 92 90 90 88 87 86    

A-     79 77 76

B+     73 71 70 69 68 67


B      65 64 64 62 61 59 59 58

B-     56 

C      53 53 52 52 50

C-     48 47 47 47 45 43 41

D+     36

D      32 31 28

F      22 11 0