how to solve

Portia Company is a retailer of hammers. Portia pays $4.55 for each hammer and sells them for $8.55. Monthly fixed costs are $27600 The hammer cost is the only variable cost. a. What is the contribution margin per unit? (Round your answer to 2 decimal places.) Canon Margin per unit b. What is the break-even point in units? (Do not round intermediate calculations.) Break Even Point units c. How many units will Portia need to sell to earn target profit of $24.800? (Do not round Intermediate calculations.) b. What is the break-even point in units? (Do not round intermediate calculations.) Brave Point units c. How many units will Portia need to sell to earn target profit of $24,800? (Do not round intermediate calculations.) Total Number of Units