Fill in the missing data for each of the following independent cases. (Ignore income taxes.) (Do not round intermediate calculations. Leave no cells blank - be certain to enter "O" wherever required.) Sales Revenue Variable Expenses Total Contribution Margin Fixed Expenses Net Income Break-Even Sales Revenue 1. $ 86,000 68,800 86,000 165,000 2. 165,000 36,000 230,000 3. 138,000 10,000 160,000 19,600 4. 50,000