On October 1, 2017, Wildhorse Co. places a new asset into service. The cost of the asset is $92000 with an estimated 5-year life and $20000 salvage value at the end of its useful life. What is the depreciation expense for 2017 if Wildhorse Co. uses the straight-line method of depreciation? $9200. $3600. $4600. $18400.