The Fashion Shoe Company operates a chain of women's shoe shops that carry many styles of shoes that are all sold at the same price. Sales personnel in the shops are paid a sales commission on each pair of shoes plus a small base salary. The following data pertains to Shop 48 and is typical of the company's many outlets: Per Pair of Shoes Selling Price $ 40.00 Variable expense: Invoice cost. $19.50 4.50 Sales commission.. $ 24.00 Total variable expenses. Annual Fixed expenses: $ 30,000 Advertising 24,000 Rent 120.000 Salaries $ 174,000 Total fixed expenses, MacBook