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 $ 40,000 80,000 1. $ 40,000 $ 30,000 2 80,000 15,000 80,000 40,000 50,000 38,000 4 110,000 22,000