Al Jafar Jewel Co. purchased a crystal extraction machine for $50,000 that has an estimated salvage value of $10,000 at the end of its 8-year useful life. Compute the depreciation schedule using:
(a) MACRS depreciation
(b) Straight-line depreciation
(c) Sum-of-the-years' digits (SOYD) depreciation
(d) Double declining balance depreciation