Sunland Candle Supply makes candles. The sales mix (as a percentage of total dollar sales) of its three product lines is birthday candles 30%, standard tapered candles 65%, and large scented candles 5%. The contribution margin ratio of each candle type is shown below. Candle Type Contribution Margin Ratio Birthday 20% Standard tapered 35% Large scented 45% What is the weighted-average contribution margin ratio? Weighted-average contribution margin ratio do %