Exact Photo Service purchased a new color printer at the beginning of 2018 for $39,100. The printer is expected to have a four-year useful life and a $1,564 salvage value. The expected print production is estimated at 1,500,000 pages. Actual print production for the four years was as follows:

2018	547,200
2019	484,200
2020	379,900
2021	385,300
Total	1,796,600

The printer was sold at the end of 2021 for $1,914.

2. Compute the depreciation expense for each of the four years, using units-of-production depreciation.

   	Units-of-production
   2018	?
   2019	?
   2020	?
   2021	?