What is the value of the deposit multiplier?

The figure above shows a monopoly's total revenue and total cost curves. The monopoly's economic profit is zero if it produces

A) 0 units of output. B) 5 or 20 units of output. C) 15 units of output. D) none of the above

A research firm's findings concluded that the demand for movie tickets is price elastic in the afternoon but inelastic in the evenings. Given this information, to increase overall revenue the theatre owners should

a. Reduce the ticket prices for the afternoon shows and reduce the ticket prices for the evening shows b. Increase the ticket prices for the afternoon shows and reduce the ticket prices for the evening shows c. Reduce the ticket prices for the afternoon shows and increase the ticket prices for the evening shows d. Increase the ticket prices for the afternoon shows and increase the ticket prices for the evening shows