At Marty's marina, all workers have the same hourly labour supply curve: Law/4. Each worker is asked to work 7 hours per day. The shop allows workers to take a free ride on a very nice speedboat each day. This ride is worth $21 to the men and $14 to the the women. The cost of this benefit is zero to Marty. All Marty's workers are men. Marty has learned about employment equity legislation and is thinking of Improving the gender balance of his employees, Also, three of Marty's workers happen to be retiring. If Marty replaces these male workers with female workers, it will increase Marty's cost by. (Notice: we don't need to know the total workforce to answer this question, just how many are affected by the different value of perks.) O A) $ 3 per hour. B) None of the answers are correct. C) $ 21 per hour. OD) $7 per hour. O E) $ 1 per hour