| 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 |