Fill in the blanks for each of the following independent cases, Click the icon to view the cases) Fixed (For entries with a $0 balance, make sure to enter "O in the appropriato coll. Round the contribution margin percentage to the nearest whole percent) Variable Total Operating Contribution Case Revenues Costs Costs Costs Income Margin Percentage $ 200 $ 500 $ 1,500 b. 5 2,900 5 300 $ 1.300 c. $ 1,000 5 700 $ 1.000 d. 1,500 $ 300 60%