Serge M. answered 12/11/16
Tutor
5
(11)
PhD and CPE with 40 years of experience teaching accounting
Selling price* units - FC - VC*units = 0
180,000 - 54,000 - 126,000 = 0
Contribution margin is 180,000 - 126,000 = 54,000
54,000 / 180,000 = .30 or 30 percent