Grade   	Midterm1        Midterm2 *       Course Total
A+		>= 99           >= 98
A		>= 81           >= 84
A-		>= 75           >= 80
B+		>= 67           >= 74
B		>= 56           >= 69
B-		>= 52           >= 65
C+		>= 50           >= 60
C		>= 42           >= 53
C-		>= 37           >= 48
D+		>= 36           >= 43
D		>= 31           >= 31
D-		>= 30           >= 29

* Midterm 2 scores do not reflect the results of the makeup for
  problem 2.

Target percentages before extra credit:
A+   5.25%
A    18.64%
A-  11.11%
B+  13.26%
B    17.66%
B-    6.72%
C+   6.41%
C     9.95%
C-    3.49%
D+   1.15%
D     3.46%
D-   0.92%
F     1.98%