On 1/1/2017 Erickson Incorporated pays $90,000 for a machine that manufactures mechanical knees. Erickson plans to use the machine for 3 years, after which the company will sell the machine with an estimated residual value of $14,000. Assuming Erickson uses the double-declining balance method, how much depreciation expense will the company record for 2018 (i.e., in year 2)?