On the Day of the Midterm Exam,one Would Expect the Optimal

On the day of the midterm exam,one would expect the optimal number of searches for a parking space to __________ because __________.

A) decrease;the marginal benefit is lower
B) increase;the marginal cost is lower
C) increase;the marginal benefit is higher
D) decrease;the marginal cost is lower
E) be unchanged;neither the cost nor the benefit has changed