In the following chart, fill in the missing cells for each of the following independent scenarios. Do not enter dollar signs or commas in the input boxes. Round all answers to the nearest whole number. Use the negative sign for a loss. Scenario Selling Price per Unit Variable Cost/Unit Total Units Sold Contribution Margin 1 2 $ 3 4 $15 $8 440 $ $13 200 $30 $ $9 $5 Fixed Cost Operating Income (Loss) $ $990 $1,800 $760 EA 320 $4,800 $2,060 $ $648 $ $60