If a Company Has the Opportunity for a Special Order

If a company has the opportunity for a special order, but is currently operating at full capacity and is unable to add additional production capacity to fulfill the special order,

A) the company should reject the special-order request.
B) the company should accept the special order if the company requesting the special order is willing to at least offer a unit selling price that covers the unit variable costs.
C) the company should accept the special order if the company requesting the special order is willing to pay the current unit selling price.
D) the company should accept the special order if the company requesting the special order is willing to at least offer a unit selling price that covers the unit fixed costs.