Advanced Systems, Inc. purchased a machine 4 years ago at a price of $82,800. At that time, useful life was estimated at 10 years with a $13,500 salvage value, and straight-line depreciation was used. After recording depreciation for the 4th year, Advanced decided that for future years it would revise its original estimates from 10 to 14 years and from $13,500 to $8,500. The depreciation expense to be recorded in year 5 of the machine's life is: (answer is 4658)