/Shop offers you net worth for in-game items, I have made a list containing all possibilities.
Scrap: $0.10
Stones: $0.04
Sulfur: $0.10
Low Grade Fuel: $0.19
Animal Fat: $0.15
Wood: $0.01
Cloth: $0.13
Pumpkin: $0.88
High Quality Metal: $0.20
Leather: $0.18
Metal Fragments: $0.05
Road Signs: $2.40
Metal Pipe: $2.40
Tech Trash: $5.40
Rope: $3.90
Empty Propane Tank: $6.00
Electric Fuse: $5.00
Sheet Metal: $13.40
Duct Tape: $100.65
Gears: $11.25
Metal Blade: $2.50
Tarp: $13.00
Semi Automatic Body: $13.10
SMG Body: $8.10
Corn: $0.73
Bone Fragments: $0.13
Diesel Fuel: $16.00
Wolf Skull: $58.00
Glue: $100.00
Sticks: $0.22
Metal Spring: $5.40
Crude Oil: $0.16
Charcoal: $0.02
Rifle Body: $25.60