4. M Corporation bought a large machine costing $288,000 in their first year of business and expect to use it for 8 years. M Corp uses a straight-line depreciation method and the machine's Net Book Value at the end of Year 4 is $154,000. Using this information, what is the machine's expected salvage value? a. $20,000 b. $36,000 c. $33,500 d. $24,500 e. None of the above answers