(a) This account must include the cost of transportation vehicles used for service company purposes.
(b) This account must include the following items:
(1) Airplanes.
(2) Automobiles.
(3) Bicycles.
(4) Electrical vehicles.
(5) Motor trucks.
(6) Motorcycles.
(7) Repair cars or trucks.
(8) Tractors and trailers.
(9) Other transportation vehicles.