The above figure shows the demand curve for movie rentals from Redbox. At which of the following prices does Redbox have the maximum total revenue?

Assume that the quantity consumed of pizza is dependent on three factors: the price of a pizza, the income of pizza purchasers, and consumers' taste for pizza

When graphing the relationship between the price of a pizza and the quantity of pizza consumed A) the price of a pizza and the income of pizza consumers are the only variables that are allowed to change. B) the price of pizza and quantity consumed of pizza are the only variables that are allowed to change. C) consumers' taste for pizza and the income of pizza purchasers are the only variables that are allowed to change. D) None of the above answers are correct.

Though large firms have the knowledge and resources to utilize a better pricing strategy, many choose to use cost-plus pricing. One reason for this is that

A) large firms do not have to maximize their profits because they face little competition from other firms. B) firms often adjust the markup they charge to reflect current demand. C) there is less risk of violating antitrust laws if a cost-plus pricing strategy is used rather than a profit-maximizing pricing strategy. D) the additional revenue that would result from a profit-maximizing pricing strategy is an insignificant fraction of the firms' revenues.