You want to open up a custom skateboard shop. You can sell each skateboard for $160. It takes three hours to make each skateboard. Each skateboard maker earns $25 per hour. Each skateboard costs $15 in raw materials. You estimate that your fixed costs are $20,000 per month.

a- What is the contribution margin?

b-How many skateboards do you need to sell each month in order to break even?

c-What is the breakeven dollar amount?

d-How many skateboards do you need to sell in order to earn a $10,000 profit each month?

e-What is your total monthly revenue if you want to earn a profit of $8,000?