Fill in the blanks for each of the following independent cases. B (Click the icon to view the cases.) ( (For entries with a $0 balance, make sure to enter "o" in the appropriate cell. Round the contribution margin percentage to the nearest whole percent.) Variable Fixed Total Operating Contribution Case Revenues Costs Costs Costs Income Margin Percentage 500 S 900 $ % a. 1,300 Data Table Variable Costs Fixed Costs Case Contribution Margin Percentage Total Operating Costs Income $ 900 S 1,300 Revenues Case a. $ 500 $ $ 400 $ 1,200 Case b. Case c. $ 2.900 1,100 $ 1.600 700 $ 1,100 Case d. $ $ 400 75% Print Done