If total cost is $30 at 10 units of output and $32 at 11 units of output,in this range of output,marginal cost is:
A)$2
B)$31
C)$32
D)$1
E)zero

Question

Quizplus · Accepted Answer

Marginal cost is the change in total cost that arises when the quantity produced changes by one unit. Here, the total cost increases from $30 to $32 as output increases from 10 to 11 units, so the marginal cost is $32 - $30 = $2.

If Total Cost Is $30 at 10 Units of Output