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Borse Corp had a margin of safety of $376,000 last month, with sales revenue of $1.120,000 and fixed costs of $349,680. a. What are break-even sales? Break-Even Sales b. What is the contribution margin ratio? Contribution Margin Ratio c. How much profit did Boise earn last month? Profit Earned d. How much would sales have to increase for Boise to eam profit of $656,5907 Increase in Sales