7. [Finn's Ice Cream Parlor hires workers to produce milkshakes. The table shows the workers' total product schedule. Number of workers Quantity produced (milkshakes per day) 1 7 2 21 3 33 4 43 5 51 6 55 The market for milkshakes is perfectly competitive, and the price of a milkshake is $4. The labor market is competitive, and the wage rate is $40 a day. 7.1 Calculate the marginal value product of labor. 7.2 1If the price of a milkshake rises, explain how the marginal value product of labor changes. Will Finn hire more workers or fewer workers? ( 7.3 If the wage rate rises, but the price of a milkshake remains at $4, explain how the marginal value product of labor changes. Will Finn hire more workers or fewer workers