43. (5 points) Leia purchased a machine for $960,000 on January 1, 2018. Leia estimates the machine will have a five-year useful life, salvage value of $40,000, production capability of 160,000 units of a product called Hoosier, and 8,000 working hours. During 2018 Leia used the machine for 1,800 hours and the machine produced 40,000 units of Hoosier. Computer Leia's depreciation for 2018 assuming she uses the following depreciation methods: a Straight-line b. Units-of-production Working hours Sum-of-the-years' digits Double-declining balance d