Lusk Corporation produces and sells 15,100 units of Product X each month. The selling price of Product X is $21 per unit, and variable expenses are $15 per unit. A study has been made concerning whether Product X should be discontinued. The study shows that $72,000 of the $101,000 in fixed expenses charged to Product X would not be avoidable even if the product was discontinued. If Product X is discontinued, the companys overall net operating income would: decrease by $39,400 per month increase by $39,400 per month increase by $10,400 per month decrease by $61,600 per month