Exercise : 5.6 Jamal & Co. makes and sells two types of shoes, Plain and Fancy. Data concerning these products are as follows: Plain Fancy 20 Unit selling price Variable cost per unit 35 12 24.5 Sixty percent of the unit sales are Plain, and annual fixed expenses are $45,000. Required: calculate the 1. Weighted-average unit contribution margin Total number of units that Jamal must sell to break even Number of units of Plain that Jamal must sell to break even Number of units of Fancy that Jamal must sell to break even 2