Business Solutions sells upscale modular desk units ( 60% of sales) and office chairs ( 40% of sales). Selling prices are $1,290 per desk unit and $540 per chair. Variable costs are $775 per desk unit and $270 per chair. Fixed costs are $141,780. 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. Complete this question by entering your answers in the tabs below. Compute the weighted-average contribution margin. Note: Round your final answer to the nearest whole number. Compute the break-even point in units. Note: Do not round your intermediate calculations and round your final answer up to the nearest whole unit. Compute the number of units of each product that would be sold at the break-even point