Debbie DeLozier sells homemade knit scarves for $15 each at local craft shows. Her contribution margin ratio is 60%. Currently, the craft show entram year. How many extra scarves will Debbie have to sell next year just to pay for rising entrance fee costs? Begin by identifying the general formula to compute the breakeven sales in units. Breakeven sales in units De arves next year just to pay for rising entrance fee costs. Contribution margin per unit Contribution margin ratio Fixed expenses Operating income