A monopolist sells 14,000 units of output

 A monopolist sells 14,000 units of output. The price it charges is $14 per unit. Its marginal cost is $7 and constant, its average total cost at 14,000 units is $10. Which of the below is true? The firm is profitable but it should increase output, which will result in lower averages costs and thus even higher profits. The firm is not profitable but if it increases output, it will help to reduce the firm's losses. The firm is not profitable because of productive inefficiencies and high rent seeking costs, therefore it should shut down. The firm is profitable so it should not change its current output level of 14,000 units. The firm is profitable but there is not enough information to say if profits can be increased even more.