Jed Had an Exam Score of 50 Percentage Points

Jed had an exam score of 50 percentage points. There is an extra credit assignment that Jed can complete that will raise his exam score by 20 percentage points. Jed has determined that the extra credit assignment will take 10 hours of his time. Jed will complete the assignment if he values the

A) 20 percentage points more than the 10 hours of his time.
B) 10 hours of his time more than the 20 percentage points.
C) 70 percentage points more than the 10 hours of his time.
D) higher score.