Kyle worked two part-time jobs at a bookstore and diner during the holidays to earn extra money. He worked at the bookstore Mondays, Tuesdays, Wednesdays and Fridays. The diner had him scheduled to work on Thursdays, Saturdays, and Sundays. If he worked the same time from 9-4 at the bookstore each shift, and the same time from 2-10 at the diner each shift, how many more hours on average did Kyle work at the bookstore each month than at the diner?
A.
24
B.
4
C.
16
D.
28