A monopoly’s market demand is given by P = 34-4Q. The total cost of the firm is given by TC = 100+4Q+Q2. In the short run, if this firm behaves optimally A. it makes a positive economic profit. B. it...

A monopoly’s market demand is given by P = 34-4Q. The total cost of the firm is

given by TC = 100+4Q+Q2. In the short run, if this firm behaves optimally
A. it makes a positive economic profit.
B. it makes a negative economic profit but should stay open.
C. it makes a negative economic profit but should shut down.

D. None of the above.