E$6-9$B Complete Par Accessories sells golf shoes, gloves, and a laser$-$guided range$-$finder that measures distance. Shown below are unit cost and sales data.

$\backslash$table$[[,\backslash$table$[[$Pairs of$],[$Shoes$]],\backslash$table$[[$Pairs of$],[$Gloves$]],\backslash$table$[[$Range$-],[$Finder$]]],[$Unit sales price,$$100,$$$80,$$$270$