14. Which of the following assets cannot be depreciated or amortized? a. Machinery used in a business b. Copyright used in a business c. Leasehold used in a business d. Patents used in a business e. Land upon which a factory is built 15. Which of the following assets qualifies for the Section 179 expense election? a. New office building with a 40-year useful life b. Patent with a 17-year useful life New apartment building with a 30-year useful life d. Used office equipment with a 7-year useful life C