True-False Place your answers to the left (2 points each) [11 Depreciation is based upon cost, useful life and salvage value Expenditures incurred, such as changing the oil and filter on a delivery truck, would be considered expenses of the period incurred.. 12) 13] Disposal of a plant asset always occurs after the asset has been fully depreciated 4] A patent is the exclusive right to reproduce and sell a book, musical composition, or film. [5] In computing depletion expense, salvage value is not part of the computation. 6] The return on assets and the fixed asset turnover are usually computed monthly