Coronado Corporation purchased a new machine for its assembly process on August 1, 2017. The cost of this machine was $162,702. The company estimated that the machine would have a salvage value of $17,802 at the end of its service life. Its life is estimated at 5 years, and its working hours are estimated at 21,000 hours. Year-end is December 31.

What is the double declining balance for the depreciation expense in 2018?