A |
100
- 93 |
A- |
92-90 |
B+ |
89-87 |
B |
86-83 |
B- |
82-80 |
C+ |
79-77 |
C |
76-73 |
C- |
72-70 |
D+ |
69-67 |
D |
66-63 |
D- |
62-60 |
E |
59-0 |