A company is considering dropping product NAU15 Sales of the product total $200,000 per year; and variable expenses total $140,000 per year Fixed expenses allocated to the product total $90,000 per year The company estimates that $40,000 of these fixed expenses will continue even if the product is dropped Based on this data, if product NAU15 is dropped, the company's overall net operating income would: decrease by $20,000 per year increase by $20,000 per year decrease by $10,000 per year increase by $30,000 per year