hi there is two parts A and B please do it with all working please complete it's all requirements fast ASAP and please don't post answer in pics i will copy paste all working

The Greenback Store's cost structure is dominated by variable costs with a contribution margin ratio of 0.45 and fixed costs of $122.400. Every dollar of sales contributes 45 cents toward fixed costs and profit. The cost structure of a competitor. One-Mart, is dominated by fixed costs with a higher contribution margin ratio of 0.70 and fixed costs of $249,900. Every dollar of sales contributes 70 cents toward fixed costs and profit. Both companies have sales of $510,000 for the month. Required: a. Compare the two companies' cost structures. b. Suppose that both companies experience a 15 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. ONE-MART GREENBACK STORE Amount Percentage % Amount Percentage % Sales Variable cost Contribution margin Fixed costs % % Operating profit % % The Greenback Store's cost structure is dominated by variable costs with a contribution margin ratio of 0.45 and fixed costs of $122.400. Every dollar of sales contributes 45 cents toward fixed costs and profit. The cost structure of a competitor, One-Mart, is dominated by fixed costs with a higher contribution margin ratio of 0.70 and fixed costs of $249,900. Every dollar of sales contributes 70 cents toward fixed costs and profit. Both companies have sales of $510,000 for the month. Required: a. Compare the two companies' cost structures. b. Suppose that both companies experience a 15 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 Suppose that both companies experience a 15 percent increase in sales volume. By how much would each company's profits Increase? Greenback Store's profits increase by One-Mart's profits increase by