Question Four (25 points)

Jaafar is trying to decide how to divide his time between his job as a stocker in the local grocery store, which pays $7/hr for as many hours as he chooses to work, and cleaning windows for the businesses in downtown. He makes $2 for every window he cleans. Jaafar is indifferent between the two tasks, and the number of windows he can clean depends on how many hours he cleans a day, as shown in the table below:

a)Based on the information above, what is Jaafar's hourly opportunity cost of cleaning windows?

b)Based on the information above, his benefit from the first hour cleaning windows is

c)Based on the information above, the first hour Jaafar spends cleaning windows costs him that he could have earned in the grocery store.

d)Based on the information above, a second hour cleaning windows will yield additional earnings of

e)Based on the information above, does the 3^rd hour cleaning satisfy the cost-benefit principle?

f)Based on the information above, what is the smallest amount of money per window cleaned that would induce Jaafar to spend at least one hour per day cleaning?

\f