You are a self-employed profit-maximization consultant specializing in monopolies. Five single-price, profit-maximizing monopolies are currently seeking your advice, and although the information they have supplied to you is incomplete, your expert knowledge allows you to go back and make a definite recommendation in each case. 

Select one of the following recommendations for each firm in the short run:

a. Remain at the current output level.

b. Increase output.

c. Reduce output.

d. Shut down.

e. Go back and recalculate your figures because the ones supplied can't possibly be right.