Need help withe engineering economics problem.

Company is considering the purchase of research equipment at a cost of$1,750,000; with an estimates salvage value of $250,000 at end of its 5-year projected useful life. a). Determine the straight-line (SL), A b) Sum-of- years'-digit (SOYD), c).Double declining balance (DDB) and d). Modified accelerated cost A recovery (MACRS) Methods. Assume a MACRS recovery period of 5 years and Book Value. show detail of your calculation for all above methods with yearly-Depreciation