At the beginning of the year, Powers Company purchased a piece of machinery for $50,000. It has a salvage value of $5,000, an estimated useful life of 9 years, and estimated units of output of 90,000 units. Actual units produced during the first year were 11,000. How much is depreciation expense for the first year under the straight-line method?
$5500
$5000
$5556
$5300