Burger Bob's Boathouse sells only one product. 7,000 units were sold in a year resulting in $70,000 of sales revenue. Variable costs were $30,030 for the year, and fixed costs were $12,000.

1.what is the Contribution margin per unit

2.what is the Break-even point in volume

3.wha is The number of units required to be sold to achieve $52,350 of operating profit