valentine co. owns a building which was purchased for $500,000 on december 31, 2020. valentine expects to use the building for 40 years, at which time it estimates it will be able to sell the building for $100,000. valentine uses straight-line depreciation method to allocate the costs evenly over the periods in which they provide benefits. on december 31, 2025, the building has an appraised value of $525,000. at what net amount would the building be reported on the december 31, 2025, balance sheet