The following transactions occurred during 2020. Assume that depreciation of 10% per year is charged on all machinery and 5% per year on buildings, on a straight-line basis, with no estimated salvage value. Depreciation is charged for a full year on all fixed assets acquired during the year, and no depreciation is charged on fixed assets disposed of during the year. Jan. 30 A building that cost $145.200 in 2003 is torn down to make room for a new building. The wrecking contractor was paid $5,610 and was permitted to keep all materials salvaged. Mar. 10 Machinery that was purchased in 2013 for $17,600 is sold for $3,190 cash, fo.b. purchaser's plant. Freight of $330 is paid on the sale of this machinery. Mar. 20 A gear breaks on a machine that cost $9,900 in 2012. The gear is replaced at a cost of $2,200. The replacement does not extend the useful life of the machine but does make the machine more efficient. May 18 A special base installed for a machine in 2014 when the machine was purchased has to be replaced at a cost of $6,050 because of defective workmanship on the original base. The cost of the machinery was $15,620 in 2014 . The cost of the base was $3,850, and this amount was charged to the Machinery account in 2014. June 23 One of the buildings is repainted at a cost of $7.590. It had not been painted since it was constructed in 2016