Asset Class 00.11 Descriptions of Assets Office furniture and equipment Class Life GDS ADS 10 00.12 Information systems, including computers 6 00.22 00.23 Automobiles, taxis Buses 3 9 7555 10 5 00.241 Light general purpose trucks 5 95595 00.242 Heavy general purpose trucks 6 5 6 00.26 Tractor units for use over the road 4 3 4 01.1 Agriculture 10 7 10 10.0 Mining 10 7 10 13.2 Production of petroleum and natural gas 14 7 14 13.3 Petroleum refining 16 10 16 15.0 Construction 6 22.3 Manufacture of carpets 9 24.4 Manufacture of wood products and furniture 10 28.0 Manufacture of chemicals and allied products 9.5 30.1 Manufacture of rubber products 14 32.2 Manufacture of cement 20 15 555555 6 9 7 10 9.5 7 14 20 34.0 Manufacture of fabricated metal products 12 7 12 36.0 Manufacture of electronic components, products, and systems 6 5 6 37.11 Manufacture of motor vehicles 12 7 12 37.2 Manufacture of aerospace products 10 7 10 48.12 Telephone central office equipment 18 10 18 49.13 Electric utility steam production plant 28 20 28 49.21 Gas utility distribution facilities 35 20 35 79.0 Recreation 10 7 10 GDS Recovery Rates (r) for the Six Personal Property Classes Recovery Period (and Property Class) Year 3-year 5-year 7-year 10-year 15-year 20-year 1 0.3333 0.2000 0.1429 0.1000 0.0500 0.0375 2 0.4445 0.3200 0.2449 0.1800 0.0950 0.0722 3 0.1481 0.1920 0.1749 0.1440 0.0855 0.0668 4 0.0741 0.1152 0.1249 0.1152 0.0770 0.0618 5 0.1152 0.0893 0.0922 0.0693 0.0571 6 0.0576 0.0892 0.0737 0.0623 0.0528 7 0.0893 0.0655 0.0590 0.0489 8 0.0446 0.0655 0.0590 0.0452 9 0.0656 0.0591 0.0447 10 11 12 0.0655 0.0590 0.0447 0.0328 0.0591 0.0446 0.0590 0.0446 13 14 15 16 17 18 19 20 21 0.0591 0.0446 0.0590 0.0446 0.0591 0.0446 0.0295 0.0446 0.0446 0.0446 0.0446 0.0446 0.0223