please answer all.

Compute the weighted-average unit contribution margin, assuming a constant sales mix. Note: Do not round intermediate calculations. Round your answer to 2 decimal places. What is the shop's break-even sales volume in dollars? Assume a constant sales mix. Note: Do not round intermediate calculations. How many bicycles of each type must be sold to earn a target net income of $101,250 ? Assume a constant sales mix. \begin{tabular}{|l|l|} \hline Bicycle Type & Number of Bicycles \\ \hline High-quality & \\ \hline Medium-quality & \\ \hline \end{tabular} 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: 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.) Required: 1. Compute the unit contribution margin for each product type. 2. What is the shop's sales mix? 3. Compute the weighted-average unit contribution margin, assuming a constant sales mix. 4. What is the shop's break-even sales volume in dollars? Assume a constant sales mix. 5. How many bicycles of each type must be sold to earn a target net income of $101,250 ? Assume a constant sales mix. Complete this question by entering your answers in the tabs below. Compute the unit contribution margin for each product type. What is the shop's sales mix