Ahmed & Co. makes and sells two types of shoes, Plain and Fancy. Data concerning these products are as follows: Plain Fancy $31.00 Unit selling price Variable cost per unit $20.00 15.00 26.00 Sixty percent of the unit sales are Plain, and annual fixed expenses are $27,500. The weighted-average unit contribution margin is: (Round intermediate calculations and final answer to 2 decimal places) Multiple Choice S.80. $5.00. $5.25 $13.00. None of the answers is correct