Some Al Jafar Jewel Co. purchased a crystal extraction machine for $60,000 that has an estimated salvage value of $10,000 at the end of its 8-year useful life. (Note: the equipment falls into the 7-year MACRS class life). Compute the depreciation schedule using: )

(a) Straight-line depreciation

(b) Double declining balance depreciation

(c) 100% bonus depreciation

(d) MACRS depreciation