Use Figure: Monopoly Profit-Maximization and Deadweight Loss

Use Figure: Monopoly Profit-Maximization and Deadweight Loss. The figure shows the demand curve, marginal revenue curve, marginal cost curve, and average total cost curve that are facing a monopolist. Based on this information, the profit-maximizing price for the firm is_____, and the profit-maximizing quantity is _____ units.
​
Figure: Monopoly Profit-Maximization and Deadweight Loss

A) $16; 90
B) $16; 80
C) $10; 90
D) $16; 60