1. 80-100 = A+ = 4.00 = 1st class
2. 75-79 = A = 3.75 = 1st class
3. 70-74 = A- = 3.50 = 1st class
4. 65-69 = B+ = 3.25 = 1st class
5. 60-64 = B = 3.00 = 1st class
6. 55-59 = B- = 2.75 = 2nd class
7. 50-54 = C+ = 2.50 = 2nd class
8. 45-49 = C = 2.25 = 2nd class
9. 40-44 = D = 2.00 = 3rd class
