A firm's total revenue function is TR= 200Q - 4Q^2 , its marginal cost is $40, and its fixed cost is zero.

A) Calculate the profit-maximizing level of output, price, and profit

B) Calculate the quantity and price that maximize the firm's total revenue, and calculate the firm's profit at this point

C) If a manager is paid a percentage of total revenues, would the manager's objective be consistent with the owner's objective? Explain why or why not