The following graph shows the information of an entrepreneur in a perfect competition market: Price MC (dollars an byunit) 50 1 2 3 4 5 6 7 8 '70 '71 q q? Respond: a) At what level of production does profit maximization occur? b) For which price levells) does the entrepreneur participate in the market, in the short term? c] For which price levells} does the entrepreneur obtain economic losses? d) For which price levells) are the economic losses less than the fixed cost? e] For what level of production should the entrepreneur close the company