Spring Company's cost structure is dominated by variable costs with a contribution margin ratio of 0.25 and fixed costs of $115,500. Every dollar of sales contributes 25 cents toward fixed costs and profit. The cost structure of a competitor, Winters Company, is dominated by fixed costs with a higher contribution margin ratio of 0.80 and fixed costs of $539,000. Every dollar of sales contributes 80 cents toward fixed costs and profit. Both companies have sales of $770,000 per month. Required: a. Compare the two companies' cost structures. b. Suppose that both companies experience a 10 percent increase in sales volume. By how much would each company's profits increase? Complete this question by entering your answers in the tabs below. Required A Required B Compare the two companies' cost structures. SPRING COMPANY Amount Percentage 100% 75 25 % WINTERS COMPANY Amount Percentage 100% Sales Variable cost Contribution margin Fixed costs Operating profit % 539,000 % : % Required A Required B >