Use the figure to answer the following six questions about Smart Dagi Inc., a firm in monopolistic competition that produces calculators.

To maximize economic profit, this firm produces calculators per day.

To maximize economic profit, this firm will charge a price of $ per calculator.

At the profit-maximizing output level, the firm makes an economic profit of $ .

At the profit-maximizing output level, the firm's markup is $ per calculator.

If the firm produced the efficient quantity, it would produce calculators per day.

At the profit-maximizing output level, the firm has excess capacity of calculators per day.