Incorrect Question 4 0 / 1 pts The economically efficient level of a fishery harvest occurs where A. Total benefit equals total cost B. Maximum sustained yield is reached C. Average benefit equals average cost D. Marginal benefit equals marginal cost Incorrect Question 5 0/1 pts The open-access equilibrium is a fishery will occur where A. Total benefit equals total costs B. Maximum sustained yield is reached C. Marginal benefit equals marginal cost D. None of the above