Determine the missing item (letters a-e) for the following depreciable assets: Depreciation method Double-declining Sum-of-the-years' digits Straight-Line Straight Line Cost Salvage value (a) $25,000 $240,000 $40,000 $320,000 $ (c) (d) $400,000 $160,000 $50,000 $20,000 Se Cost (a) Salvage value $240,000 $320,000 $ $400,000 $160,000 $25,000 $40,000 (c) Service Life 7 $ Depreciation (Year 1) $32,000 (b) $58.000 $50,000 $100,000 $20,000 (e) $28,000