9. A small manufacturer that makes clothespins and other household products buys new injection molding equipment for a cost of $500,000. This will allow the manufacturer to make more clothespins in the same amount of time with an estimated increase in sales of 25%. If the manufacturer currently makes 75 tons of clothespins per year, which sell at $18,000 per ton, what will be the increase in revenue next year from the new equipment?

A) $337,500

B) $303,750

C) $125,000

D) $837,500