If the following information is given about a specific company.

Selling price per unit $ 43.25

Fixed Expenses

Selling and Administration $ 57,440

Interest Expenses $ 14,250

Variable Expenses

Cost of Goods Sold $27.35

Selling and Administrative $ 7.29

(Show all work Formula and calculations

a. What is the companys contribution margin? What does it mean?

b. How many items the company must sell in order to break even? What is it in dollar terms?

c. At the end of the month, instead of breaking even, the company registered a net loss of $22345, what number of units were sold?

d. At the end of the month, instead of breaking even, the company registered a net profit amounting to 30% of its total fixed expenses, what number of units were sold?