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.) Total Costs Variable Fixed Case Revenues Costs Costs a. 600 $ 1,100 $ Operating Income Contribution Margin Percentage 1,300 % Data table Case Case a. Case b. Variable Fixed Total Revenues Costs Costs Costs Contribution Operating Margin Income Percentage $ 600 $ Case c. $ $ 2,700 S 500 $ 1,100 $ 1,300 400 800 $ 300 $ 800 Case d. $ 1,500 S 500 40% Print Done X