Personal Electronix sells computer tablets and MP3 players. The business is divided into two divisions along product lines. CVP income statements for a recent quarter's activity are presented below. Tablet Division MP3 Player Division Total Sales $884,500 $565,500 $1,450,000 Variable costs 645,685 322,335 968,020 Contribution margin $238,815 $243,165 481,980 Fixed costs 136,284 Net income $345,696 (a) Determine sales mix percentage and contribution margin ratio for each division. Sales Mix Percentage Tablet division % MP3 Player division Tablet division MP3 Player division % Contribution Margin Ratio % %