Stryker Industries received an offer from an exporter for 30,000 units of product at $19 per unit. The acceptance of the offer will not affect normal production or domestic sales prices. The following data is available: Domestic unit sales price $23 Unit manufacturing costs: Variable 12 Fixed 6 What is the amount of income or loss from acceptance of the offer? a.$360,000 b.$210,000 c.$570,000 d.$690,000