Business Solutions sells upscale modular desk units (60% of sales) and office chairs (40% of sales). Selling prices are $1,300 per des unit and $550 per chair. Variable costs are $780 per desk unit and $275 per chair. Fixed costs are $147,700. Required: 1. Compute the weighted-average contribution margin. 2. Compute the break-even point in units. 3. Compute the number of units of each product that would be sold at the break-even point.