The Fashion Shoe Company operates a chain of women's shoe shops carrying many styles of shoes all sold for $$40$ per pair. Sales personnel in the shops are paid a sales commission on each pair of shoes sold plus a small base salary.

The following data pertains to Shop $48$ and is typical of the company's many outlets:

$\backslash$table$[[,\backslash$table$[[$Per Pair of$],[$Shoes$]]],[$Selling price,$$40\mathrm{.}00$