The component with the lowest price in the SEAT/REAR COWL(1) schematic is the Screw,tapping,4x10.
The sub assemblies and components that make up this Seat/rear Cowl(1) include this Seat Assy,double, the most expensive part.
Some items from this specific schematic: Cowl,rr Lower, Cable,seat Lock, Screw,pan,6x14, Bolt,socket,8x50.