$(2)$

Revco Electronics is a division of International Motors, an automobile manufacturer. Revco produces car radio$/$CD players. Revco sells its products to International Motors, as well as to other car manufacturers and electronics distributors. The following information is available regarding Revco's car radio$/$CD player.

$\backslash$table$[[$Selling price of car radio$/$CD player to external customers,$$49.],[$Variable cost per unit,$$28$