A special order is a: Select one: a$.$ an order that decreases a company's operating income if fulfilled assuming that company is not operating at capacity b$.$ one$-$time purchase order received by a company, which is not considered part of the company's normal operations c$.$ an order that increases a company's operating income if fulfilled assuming that company is operating at capacity d$.$ an order that if fulfilled does not affect the company's operating incomeSelect one: a$.$ a cost that has already been incurred and will be recovered b$.$ sometimes relevant to a decision c$.$ a cost that has already been incurred and never be recoverec d$.$ always relevant to a decision

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