Lusk company produces and sells 15,200 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 $102,000 in fixed expenses charged to product x would continue, even if the product was discontinued. these data indicate that if product x is discontinued, the company's overall net operating income would : 1. decrease by $62,200 per month2. increase by $10,800 per month3. increase by $39,800 per month4. decrease by $39,800 per month