The following is Allison Corporation's contribution format income statement for lass ont Sales Variable Expenses Contribution Margin S850,000 450,000 400,000 Net Operating Income $200.000 The company produced and sold 25,000 units last month. a)What is the company's contribution margin ratio? b) What is the profits of $280,000? e)How many units would the company have to sell to attain target What is the company's margin of safety in dollars? d) e)What is the company's degree of operating leverage? f) If Sales increase by 25%, what percentage should the company expect Net Income to increase by