You are thinking too big. The "power supply" is probably produced by some china factory they order it from Factory A: Charges 7c per unit with a power switch

You are thinking too big. The "power supply" is probably produced by some china factory they order it from Factory A: Charges 7c per unit with a power switch. Factory B: Charges 3c per unit with no power switch. Wanna play the which choice did the C-Suite make game?