Solve Each Problem $p$ Cents, Then $x$ Thousand Bolts Will Be Sold in a Certain Hardware Store

Multiple Choice

Solve each problem.
-If the price charged for a bolt is $p$ cents, then $x$ thousand bolts will be sold in a certain hardware store, where $p=125-\frac{x}{14}$ . How many bolts must be sold to maximize revenue?

A) 875 thousand bolts
B) 1750 thousand bolts
C) 875 bolts
D) 1750 bolts