Check part B please

Spring Company's cost structure is dominated by variable costs with a contribution margin ratio of 0.45 and fixed costs of $255, 600. Every dollar of sales contributes 45 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 0.70 and fixed costs of $433, 100. Every dollar of sales contributes 70 cents toward fixed costs and profit. Both companies have sales of $710,000 per month. Required: Compare the two companies cost structures. Suppose that both companies experience a 10 percent increase in sales volume. By how much would each company's profits increase