Refer to Case 7-1.

A business purchased a machine that had a total cost of $220,000 and a residual value of $20,000. The asset is expected to service the business for a period of 10 years or produce a total of 1,000,000 units. The machine was purchased January 1st of the current year and has been in service one complete year. 

What is the depreciation expense in year one, if the double-declining balance method is used?