Northwood company manufactures basketballs. the company has a ball that sells for $25. at present, the ball is manufactured in a small plant that relies heavily on direct labor workers. thus, variable expenses are high, totaling $15.00 per ball, of which 60% is direct labor cost. last year, the company sold 50,000 of these balls, with the following results: sales (50,000 balls) $ 1,500,000 variable expenses 900,000 contribution margin 600,000 fixed expenses 480,000 net operating income $ 120,000 compute the cm ratio and the break-even point in balls.