Twin-Cities, Inc., purchased a building for $400,000. Straight-line depreciation was used for each of the first two years using the following...

Twin-Cities, Inc., purchased a building for $400,000. Straight-line depreciation was used for each of the first two years using the following assumptions: 25-year estimated useful life, with a residual value of $100,000.a. Calculate the annual depreciation for the first two years that Twin-Cities owned the building.b. Calculate teh book value of the building at the end of the second year.alculate the book value of the building at the end of the second year. (Omit the "$" sign in your response.)