Rylan Corporation received an offer from an exporter for 25,000 units of product at $16 per unit. The acceptance of the offer will not affect normal production or domestic sales prices. The following data are available:

Domestic unit sales price $22
Unit manufacturing costs:
Variable 11
Fixed 6

What is the differential cost from the acceptance of the offer?

a. $125,000 incomeb. $25,000 lossc. $125,000 lossd. $25,000 income