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 Operating Variable Fixed Contribution Costs Costs Costs Case Revenues Income Margin Percentage 500 $ 300 1,800 a. b. 2,200 200 200 800 $ 600 800 C. 1,000 50 % d. 200 Data Table Contribution Variable Fixed Total Operating Case Revenues Costs Costs Costs Income Margin Percentage 500 $ 300 1,800 a. 200 b. 2,200 200 800 $ 2$ 600 800 C. 200 50 % d. 1,000 %24 %24 %24 %24 %24 %24 %24 %24