The lowest price component in this Handle Lever/switch/cable parts-list fiche is the Screw Flat 3x16.
The Handle Lever/switch/cable assembly is constructed from several parts from which the Sw Assy,winker is the most expensive.
Some items from this specific schematic: Sw Assy,winker, Screw Washer 5x20, Nut,fixing, Bolt,wire Adjust.