Letter Grade Cut-off Value A's: 93.0 % A-'s: 90.0 % B+'s: 87.0 % B's: 83.0 % B-'s: 80.0 % C+'s: 77.0 % C's: 73.0 % C-'s: 70.0 % D+'s: 67.0 % D's: 63.0 % D-'s: 60.0 % F's: 0 % P's: 73.0 % NP's: 0 % S's: 80.0 % U's: 0 % I's: 0 % DR's: 0 %