10. Cranberry Wood Products Inc. spends an average of $9.50 in labor and $12.40 in materials on every unit itsells. Sales commissions and shipping amount to another $3.10. All other costs are fixed and add up to $140,000 per month. The average unit sells for $32.00. a. What are Cranberry's contribution and contribution margin? b. What is the firm's breakeven point in units? c. Calculate the dollar breakeven point in two ways. d. Sketch the breakeven diagram. 10. Cranberry Wood Products Inc. spends an average of $9.50 in labor and $12.40 in materials on every unit itsells. Sales commissions and shipping amount to another $3.10. All other costs are fixed and add up to $140,000 per month. The average unit sells for $32.00. a. What are Cranberry's contribution and contribution margin? b. What is the firm's breakeven point in units? c. Calculate the dollar breakeven point in two ways. d. Sketch the breakeven diagram