Please help me answer these questions for my final study guide

When the marginal product of labor increases, the marginal cost and when the marginal product of labor reaches its maximum the marginal cost is at Its Select one: O A. decreases; maximum O B. decreases; minimum O C. Increases; minimum O D. Increases; maximum Which type of firm is subject to double-taxation? Select one: O A. limited liability company O B. corporation O C. proprietorship O D. partnership If the equilibrium price for a half gallon of organic milk is $4 and the current price for a half gallon of milk is $3.25, market forces will cause all of the following to occur except which one? Select one: O A the quantity supplied to decrease O B. the price to rise to the equilibrium price O C. the quantity demanded to decrease O D. the quantity supplied to increase