Perfect Stampers makes and sells aftermarket hub caps. The variable cost for each hub cap is $4.75 and the hub cap sells for $9.95. Perfect Stampers has fixed costs per month of $3,120. Compute the contribution margin per unit and break-even sales in units and in dollars for the month. Round the contribution margin per unit to two decimal places. Contribution margin $ Break even sales in units units Break even sales in dollars $ i need (1) Contribution margin (2) break even sales in units (3) break even sales in dollars