5. Amer Company purchased a building for $900,000 on January 1, 2018. The estimated residual value is $90,000, and the estimated useful life is 9 years. The straight-line method is used for depreciation. In 2021, Amer Co. changed its estimates to a total useful life of 7 years from the date of purchased and with a salvage value of $150,000. What is 2021 depreciation expense? (3 Points) 187.500 O 68,571 107.143 120,000 not he written