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51 What is the meaning of contribution margin ratio? How is this ratio useful in planning business operations?

53 In all respects, Company A and Company B are identical except that Company As costs are mostly variable, whereas Company Bs costs are mostly fixed. When sales increase, which company will tend to realize the greatest increase in profits? Explain.

54 What is the meaning of operating leverage?

55 What is the meaning of break-even point?

57 What is the meaning of margin of safety?

58 What is meant by the term sales mix? What assumption is usually made concerning sales mix in CVP analysis?