Blue Chance Co. sells computers and video game systems. The business is divided into two divisions along product lines. Variable costing income statements for the current year are presented below: instructions (a) Determine the sales mix and contribution margin ratio for each division. (b) Calculate the company's weighted-average contribution margin ratio. (c) Calculate the company's break-even point in dollars. (d) Determine the sales level, in dollars, for each division at the break-even point