When answered, can you please write out how you got your answer? thanks!!!

Fill in the missing data for each of the following independent cases. (Ignore income taxes.) (Do not round intermediate calculations.) Net Income Fixed Expenses 71,200 Total Sales Variable Contribution Revenue Expenses Margin $ 89,000 180,000 39,000 126,000 210,000 50,000 10,000 Break-Even Sales Revenue $ 89,000 180,000 1. 2. 3. 140,000 19,900 4