Tim's Bicycle Shop sells 21-speed bicycles. For purposes of a cost-volume-profit analysis, the shop owner has divided sales into two categories, as follows: Product Sales Sales Invoice Commission Price Cost High quality Medium- $1,500 $800 $100 850 520 80 quality Three-quarters of the shop's sales are medium-quality bikes. The shop's annual fixed expenses are $168,750. (In the following requirements, ignore income taxes.) Complete this question by entering your answers in the tabs below. Required 4 Required 1 Required 2 Required 5 Required 3 What is the shop's break-even sales volume in dollars? Assume a constant sales mix. Break-even sales volume