Curtis, Inc., a firm that makes oversized boots, purchased a machine for its factory. The following data relate to the machine: PICO pacas ten pring a eee em - $16,000 Delivery charges............ $200 Installation charges.......... $600 Date purchased............. May 1, 2002 Estimated useful life: IN:VeaTSernare: ark are 8 years In hours of production. ..... 30,000 hours of operating time Salvage value.............. $1,800 During 2002, the machine was used 4,400 hours. During 2003, the machine was used 3,200 hours. Determine the depreciation expense and the year-end book values for the machine for the years 2002 and 2003, assuming that: The straight-line method is used. The double-declining-balance method is used. The units-of-production method is used. The sum-of-the-years’-digits method is used. Interpretive Question: If you were Curtis, which method would you use in order to report the highest profits in 2002 and 2003 combined?