Dixie Candle Supply makes candies. The sales mix (as a percentage of total dollar sales) of its three product lines is birthday candles 30%, standard tapered candies 60%, and large scented candles 10%. The contribution margin ratio of each candle type is shown below. What is the weighted-average contribution margin ratio? (Round answer to 0 decimal places, e.g. 15.) Weighted-average contribution margin ratio %