Also please answer,

B: Contribution margin ratio

C: Profit Earned?

D: Total required Sales

A company had a margin of safety of $552,000 last month, with sales revenue of $1,840,000 and fixed costs of $193,200. Required: a. What are break-even sales? b. What is the contribution margin ratio? c. How much profit did the company earn last month? d. How much would sales have to be for the company to earn a profit of $552,000 ? Complete this question by entering your answers in the tabs below. What are break-even sales