1. When fixed costs increase and all other variables remain unchanged, the contribution margin will ________.

a. decrease

b. increase variable costs per unit

c. increase

d. remain unchanged

2. Maple Enterprises sells a single product with a selling price of $70 and variable costs per unit of $35. The companys monthly fixed expenses are $25,000. How many units will Maple need to sell in order to reach a target profit of $33,000? [Hint: round your answers to the nearest whole number]

Answer: ------?-----

3. Maple Enterprises sells a single product with a selling price of $100 and variable costs per unit of $45. The companys monthly fixed expenses are $21,000. What dollar sales will Maple need in order to reach a target profit of $30,000? [Hint: enter your answer in 2 decimal places]

Answer:------?-----

4. A company has pre-tax or operating income of $115,000. If the tax rate is 45%, what is the companys after-tax income?

Answer: ---?------