A study has been conducted to determine if Product A should be dropped. Sales of the product total $400,000 per year; variable expenses total $270,000 per year. Fixed expenses charged to the product total $160,000 per year. The company estimates that $70,000 of these fixed expenses are not avoidable even if the product is dropped. If Product A is dropped, the company's overall net operating income would: increase by $30,000 per year decrease by $40,000 per year decrease by $30,000 per year increase by $40,000 per year