A customer has requested that Inga Corporation fill a special order for 2,200 units of product K81 for $38 a unit. While the product would be modified slightly for the special order, product K81's normal unit product cost is $16.90: This special order would have no effect on the company's other sales. The company has ample spare capacity for producing the special order. If the special order is accepted, the company's overall net operating income would increase (decrease) by: