FOR MANAGERIAL ACCOUNTING

Mitchell Corporation manufactures a single product. The selling price is $85 per unit, and the variable costs amount to $68 per unit. The fixed costs are $16500 per month.

1. What is the contribution margin ratio of Mitchell's Product?
2. What is the monthly sales volume in dollars necessary to break even?
3. How many units must be sold each month to earn a monthly operating income of $8000? (round answer to nearest whole #)
4. What will be the monthly margin of safety (in dollars) if 1800 units are sold each month?
5. what will be Mitchell's monthly operating income if 1800 units are sold each month?
6. If units sales prices are $7 and variable costs are $5 per unit, how many units would have to be sold to break even if fixed costs equal 8000?
7. If the unit sales price is 7 and variable costs are 3, how many units have to be sold to earn a profit of 3600 if fixed costs equal 5000?

Please explain how you got the answers. Also I will tip for this problem answered