Elucidate what should the monopolist do

Question

Decision making under monopoly.

For a monopolist, the following is given:

15,100 - units of output

$16.25 - per unit

$8.40 - marginal cost & rising

$9.20 - marginal revenue

$11.40 - average total cost

$10.15 - average variable cost

Elucidate what should the monopolist do?

1. Shut down
2. Decrease output
3. Increase output - to reduce economic loss

Increase output - to increase positive profit