Clearview Window Company manufactures windows for the home-building industry. The window frames are produced in the Frame Division. The frames are then transferred to the Glass Division, where the glass and hardware are installed. The company's best-selling product is a three-by-four-foot, doublepaned operable window. The Frame Division also can sell frames directly to custom home builders, who install the glass and hardware. The sales price for a frame is $175. The Glass Division sells its finished windows for $420. The markets for both frames and finished windows exhibit perfect competition. The standard variable cost of the window is detailed as follows: Frame Division $ 34 Glass Division 76* 34 Direct material Direct labor Variable overhead Total 40 76 $150 $186