How is financial advantage/disadvantage calculated for the following?

Explain and show calculations

Financial advantage or disadvantage Sales in units Avg Sales Price ($/device) Variable Costs Cont. Margin/ unit 4750 $ 2,700 S 1,876.67 $ 25% increase in variable cost 4750 $ 2,700 $ 2,345.84 S 25% decrease in variable cos 4750 $ 2,700 $ 1,407.50 $ Total Fixed Costs Profit/(loss) 823.33 $ 1,115,500 $ 2,795,318 354.16 $ 1,115,500 $ 566,772 1,292.50 $ 1,115,500 $ 5,023,863