Positive economics encourages value judgments.

In the above figure, the most efficient way to produce 15 units is to hire

A) 2 workers. B) 3 workers. C) 4 workers. D) 5 workers.

If ABC Printing produces 100 calendars, and the MR of the 100th is $5 and the MC is $3, then the firm is

a. maximizing profit b. producing too many calendars c. making a $200 profit d. making a $200 loss e. producing too few calendars