The information is extracted from financial records of roomy company for last year: -Number of unit sold (30,000 units) -Unit selling price ($200 per unit) -variable expenses per unit ($ 140 per unit) -fixed expenses ($1,200,000)

1)what is the unit contribution margin? 2)what is the contribution margin ration? 3) what is the net operating income for last year? 4)what is the break-even point in unit sales? 5)what is the break-even point in dollar sales? 6)what is the company's margin of saftey in dollars? 7)what is the company's margin of saftey in percentage terms? 8)how many units are to be sold to earn a target profit of $840,000? 9)what is the amount of dollar sales required to earn a target profit of $1,140,000?