Problem
Select the operation that will provide information on the change in the per-unit profit from 125 to 126 units. a) $P^{\prime}(125)$ b) $\bar{P}^{\prime}(126)$ c) $\bar{P}^{\prime}(125)$ d) $P^{\prime}(126)$ e) $P(125)$ f) None of these applies. The correct choice is
Solution
Step 1 ：Select the operation that will provide information on the change in the per-unit profit from 125 to 126 units.
Step 2 ：The correct choice is a) $P^{\prime}(125)$
Step 3 ：Final Answer: The correct choice is \(\boxed{a) P^{\prime}(125)}\)
