Riverbed 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. Computers VG Systems Total Sales $636,000 $424,000 $1.060,000 Variable costs 445.200 339.200 784,400 Contribution margin $190,800 $84,800 275,600 Fixed costs 213,720 Net income $61 880 (a) Determine the sales mix and contribution margin ratio for each division, Computers VG Systems Sales mix % % Contribution margin ratio % %