5.2 The following data represents output for a perfectly competitive firm with a product price of $2 per unit. Assume that the productivity of each resource is independent of the quantity of the other two.

a. Fill in the table.

b. If the price of labor is $4 per unit, the price of capital is

$10 per unit, and the price of land is $80 per unit, what is the profit-maximizing combination of resources? Explain in terms of marginal revenue product.