please help!!!

Mcrosoft has prosided the following contribunion format income statement. All questions concem situations that are within the thare onves: Required: 2. What is the contribution margin per unit? b. What is the contribution margin ratio? c. What is the variable expense ratio? d. What is the break-even point in unit sales? e. What is the break-even point in dollar sales? f. Estimate how many units must be sold to achieve a target profit of $54,000