D | Question 16 1 pts Swifty Corporation purchased a depreciable asset for $616000 on January 1, 2015. The estimated salvage value is $58000, and the estimated useful life is 9 years. The stralight-line method is used for depreciation. In 2018, Swifty changed its estimates to a total useful life of 5 years with a salvage value of $90000. What is 2018 depreciation expense? $170000 o $186000 t62000 s93600