On April 30, Year 1, Tilton Products purchased machinery for $220,000. The useful life of this machinery is estimated at 8 years, with an $20,000 residual value. Tilton uses a calendar year-end for financial reporting.

Assume that in its financial statements, Tilton Products uses straight-line depreciation and the half-year convention. Depreciation expense recognized on this machinery in Year 1 and Year 2 will be: