Exercise 7-23 Fill in Blanks; Basic CVP Relationships (LO 7-1, 7-2) 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 1234 1. $ 91,000 72,800 $ 91,000 2. 190,000 41,000 190,000 3. 136,000 340,000 4. 60,000 15,000 180,000 20,100