QUESTION 5 At a volume level of 500,000 units, Sullivan reported the following information: $ 60 Sales price Variable cost per unit Fixed cost per unit The company's contribution-margin ratio is closest to: 20 0.33. 0.40. 0.67. 0.60. None of the answers is correct. QUESTION 6 If a manager builds slack into a budget, how would that manager handle estimates of rever