If a firm can sell 10 units of output for $15 each or 11 units at $14 each,the additional revenue from selling the eleventh unit is ________.
A) $14
B) $4
C) $150
D) $154

Question

Quizplus · Accepted Answer

Selling 10 units at $15 each brings in a total revenue of 10×$15=$150.
Selling 11 units at $14 each brings in a total revenue of 11×$14=$154.
The additional revenue from selling the eleventh unit is $154-$150=$4. So, the best choice is B.

If a Firm Can Sell 10 Units of Output for $15