Pongo Sports Corporation sells two lines of table tennis paddles. Monthly sales and the contribution margin ratios are shown below: Slammo Pingy Total Company Sales Revenue $75,000 $225,000 30% Contribution Margin % 40% Fixed expenses total $81,250 per month. Required: $300,000 1. Prepare a contribution margin income statement for the company. 2. Calculate the breakeven point in dollar sales for the company as a whole and show the sales of each product at that breakeven point. 3. Given the current sales mix, if sales increase by $40,000 per month, calculate the increase in total company income. 4. What are the major assumptions of these answers.