Fill in the blanks for each of the following independent cases. :: (Click the icon to view the cases.) .... (For entries with a $0 balance, make sure to enter "0" in the appropriate cell. Round the contribution margin percentage to the nearest whole percent.) Variable Fixed Total Operating Case Revenues Costs Costs Costs Income Contribution Margin Percentage % a. $ 800 $ 1,100 $ 900 Data Table Contribution Margin Percentage Case Case a. Case b. Variable Fixed Total Operating Revenues Costs Costs Costs Income $ 800 $ 1,100 $ 900 $ 2,100 $ 300 $ 400 $ 800 $ 500 $ 800 $ 1,500 $ 300 Case c. Case d. 40% Print Done