Lusk corporation produces and sells 14,000 units of product x each month. the selling price of product x is $22 per unit, and variable expenses are $16 per unit. a study has been made concerning whether product x should be discontinued. the study shows that $73,000 of the $103,000 in fixed expenses charged to product x would not be avoidable even if the product was discontinued. if product x is discontinued, the company’s overall net operating income would: decrease by $49,000 per month increase by $49,000 per month decrease by $54,000 per month increase by $19,000 per month