solve. please

Volodya Company reported the following data regarding the product it sells: Required: Use the contribution margin ratio approach and consider each requirement separately. a. What is the break-even point in dollars? In units? b. To obtain a profit of $42,000, what must the sales be in dollars? In units? c. If the sales price increases to $72 and variable costs do not change, what is the new break-even point in dollars? In units