The Collins Metal Shop purchased a stamping machine for $257,000 on March 1, 2017. The machine is expected to have a useful life of 10 years, a salvage value of $32,000, a production of 250,000 units, and working hours of 30,000. During 2018, Denver used the stamping machine for 2,450 hours to produce 23,450 units. From the information given, compute the book depreciation expense for 2018 under each of the following methods. a. Straight-line b. Units-of-production c. Working hours d. Double-declining-balance (without conversion to straight-line) e. Double-declining-balance (with conversion to straight-line)

On january 2, 2016, twilight hospital purchased a $94,800 special radiology scanner from bella inc. the scanner had a useful life of 4 years and was estimated to have no disposal value at the end of its useful life. the straight-line method of depreciation is used on this scanner. annual operating costs with this scanner are $106,000. approximately one year later, the hospital is approached by dyno technology salesperson, jacob cullen, who indicated that purchasing the scanner in 2016 from bella inc. was a mistake. he points out that dyno has a scanner that will save twilight hospital $26,000 a year in operating expenses over its 3-year useful life. jacob notes that the new scanner will cost $111,000 and has the same capabilities as the scanner purchased last year. the hospital agrees that both scanners are of equal quality. the new scanner will have no disposal value. jacob agrees to buy the old scanner from twilight hospital for $40,500. if twilight hospital sells its old scanner on january 2, 2017, compute the gain or loss on the sale. prepare an incremental analysis of twilight hospital.