Your Monthly Profit (In Dollars)from Selling Magazines Is Given by

Your monthly profit (in dollars) from selling magazines is given by where x is the number of magazines you sell in a month. If you are currently selling x = 100 magazines per month, find your profit and your marginal profit.

A) P (100) = $215, P '(100) = $2.08
B) P (100) = $430, P '(100) = $4.15
C) P (100) = $417.32, P '(100) = $0.35
D) P (100) = $417.32, P '(100) = $4.15
E) P (100) = $860, P '(100) = $4.65