Need calculations based on assumption change income statement (original data provided if needed ) thanks!

Onginal data Sales price plunit variable cost plunit Fixed costs Monthly volume units sold Target profit Asumption change - $50 $83 ssisoo 250 unts $4700 20% increase in Variable cost Contribution Murgin Income statement for assumption change sales 12500 Less: variable Cost 5865 6635 Contribution margin Sisoo less: fixed costs 1135 Net operating income Calculate the Contribution Margin in Units and Contribution Margin Ratio Calculate the Breakeven Point in Units Sales and Sales Dollars Calculate the Target Sales in Units and Dollars Calculate the Margin of Safety in Units and Margin of Safety Percentage Calculate the Operating Leverage Prepare a Contribution Margin Income Statement for the assumption change