The component with the lowest price in the REAR CUSHION schematic is the Bolt,flange,10x65.
Some items from this specific schematic: Spg.rr.cush*r134*, Bush,damper Lower, Nut,lock,m14x1.0, Bush,cush,conn.
The Rear Cushion is made up of components including this Cushion Ass*r134* which is the most expensive.