Northwood Company manufactures basketballs. The company has a ball that sells for $32. At present, the ball is manufactured in a small plant that relies heavily on direct labor workers. Thus, variable expenses are high, totaling $22.40 per ball, of which 70% is direct labor cost. Last year, the company sold 45,000 of these balls, with the following results Sales (45,000 balls) Variable expenses $1,440,000 1,008,000 Contribution margin Fixed expenses 432,000 288,000 Net operating income $ 144,000 Required 1-a. Compute last year's CM ratio and the break-even point in balls. (Do not round intermediate calculations. Round up your final break even answers to the nearest whole number.) CM Ratio Unit sales to break even balls 1-b. Compute the the degree of operating leverage at last year's sales level. (Round your answer to 2 decimal places.) Degree of operating everage 2. Due to an increase in labor rates, the company estimates that next year's variable expenses will increase by $1.60 per ball. If this change takes place and the selling price per ball remains constant at $32.00, what will be next year's CM ratio and the break-even point in balls? (Do not round intermediate calculations. Round up your final break even answers to the nearest whole number.) CM Ratio Unit sales to break even balls