Bankoff & Co. makes and sells two types of shoes, Plain and Fancy Data concerning these products are as follows: Plain Fancy Unit selling price $100 $180 Variable cost per unit $78 $105 Sixty percent of the unit sales are Plain, and annual fixed expenses are $65,000. Compute the weighted average unit contribution margin, assuming a constant sales mix. (5 points) What is the shop's break even sales volume in dollars? Assume a constant sales mix. (ro points) How many shoes of each type must be sold to earn a target net income of $50,000? Assume a constant sales mix. (5 points)