Consider the following data. Maxie Pty Ltd makes and sells two types of shoes, Plain and Fancy. Product data is as follows: Plain Fancy $35.00 Unit selling $20.00 price Variable $12.00 costs per unit $24.50 Sixty per cent of the sales in units are Fancy and annual fixed expenses are $45,000. Determine the weighted average unit contribution margin. Select one: a. $9.50 b. $18.50 O c. $4.80 d. $9 e. $17