ABC, purchased a building for Rs 900,000. Straight-line depreciation was used for each of the first five years using the following assumptions: 20-year estimated useful life, with a residual value of Rs 100,000. a. Calculate the annual depreciation for the first five years that Blue-City owned the building. b. Calculate the book value of the building at the end of the five year. c. Calculate the depreciation and book value if company uses declining-balance method