Cullumber Bottle Shop has two divisions, Wine and Beer. The sales mix is 70% Wine and 30% Beer. Cullumber's annual fixed costs are estimated at $262200. The average selling price in the Wine division is $30 with a variable cost of $12. The average selling price in the Beer division is $12 with a variable cost of $6. What is Cullumber's weighted-average contribution margin ratio? 57% 53% 30% 60%