Table that shows the relationship between the price of a good and the quantity demanded

Labor unions benefit their members by

A) distributing income more equally among workers. B) helping them compete more effectively against employers. C) increasing the number of job opportunities available for employees. D) preventing or controlling competition among workers. E) promoting the trade they represent to assure an adequate supply of skilled workers.

Suppose a monopolistically competitive firm's output where marginal revenue equals marginal cost is 66 units and the price corresponding to this quantity is $18. If the average total cost at this output is $16.55, then its total profit is

A) $1,188. B) $1,092.30. C) $95.70. D) $1.45.