The Afar Jewel Mining Company has just purchased a new crystal extraction machine that cost $5000 and has an estimated salvage value of $1000 at the end of its 8-year useful life. Compute the depreciation schedule using the following methods:
(a) Straight-line.
(b) Double-declining balance.
(c) SOYD. (d) MACRS (ADR = 8 years).