RJW Incorporated produces two different products with the following monthly data. Cell GPS Total Selling price per unit $150 $350 Variable cost per unit $60 $210 Expected unit sales 22,400 9,600 32,000 Sales mix 70 percent 30 percent 100 percent Fixed costs $1,600,000 Assume the sales mix remains the same at all levels of sales. Required: 1. Calculate the weighted average contribution margin per unit. 2. How many units in total must be sold to break even? 3. How many units of each product must be sold to break even? 4. How many units in total must be sold to earn a monthly profit of $200,000? 5. How many units of each product must be sold to ear