A- A firm with market power produces widgets at marginal cost of $10 per unit and zero fixed costs. It faces demand function given by P = 50 - Q. Find out the marginal revenue for the firm?
b- A firm with market power produces a chip at a marginal cost of $10 per unit and zero fixed costs. It faces a demand function given by P = 50 - Q. What are the profits of the firm at the optimal price and output combination?