GMAT Problem Solving (PS) | Re: In a certain accounting class of 90 students 70% of the students took

In a certain accounting class of 90 students, 70% of the students took the final exam on the assigned day while the rest of the students took the exam on a make-up date. If the students on the assigned day had an average score of 65%, and the students on the make-up date had an average score of 85%, what was the average score for the entire class?

A. 68%
B. 71%
C. 73%
D. 75%
E. 79%