A firm with market power is producing a level of output at which price is $8, marginal

Question:

A firm with market power is producing a level of output at which price is $8, marginal revenue is $5, average variable cost is $6, and marginal cost is $10. In order to maximize profit, the firm should
a. decrease price.
b. increase price.
c. keep price the same.
d. increase output.
e. shut down.