5:53 Notes The result of the XYZ Business operations for the month of July 2020 is: Sales (2, 500 units) total sales of $ 7,500, total variable costs $ 3, 250, Total fixed costs of $ 4,000, Net operating income If the sale price per unit increases by 10%, how much is the increase in net operating income? how larcar unta Select one: to . $ 425 b. $ 750 c. It has no effect on net income. d. $ 75 OR previous gina S.I.G