Stryker Industries received an offer from an exporter for 15,000 units of product at $17.50 per unit. The acceptance of the offer will not affect normal production or domestic sales prices. The following data are available:

Line Item Description	Amount
Domestic unit sales price	$20
Unit manufacturing costs:
Variable	11
Fixed	1

The differential revenue from the acceptance of the offer is

a. $300,000

b. $250,000

c. $262,500

d. $52,500