The following transactions occurred during 2012. Assume that depreciation of 10% per year is charged on all machinery and 3% 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 $250,000 in 1993 is torn down to make room for a new building. The wrecking contractor was paid $18,000 and was permitted to keep all materials salvaged.
Mar. 10 Machinery that was purchased in 2005 for $20,000 is sold for $1,500 cash, f.o.b. purchaser’s plant. Freight of $1,000 is paid on this machinery.
Mar. 20 A gear breaks on a machine that cost $12,000 in 2007. The gear is replaced at a cost of $750. The replacement does not extend the useful life of the machine.
May 18 A special base installed for a machine in 2006 when the machine was purchased has to be replaced at a cost of $6,000 because of defective workmanship on the original base. The cost of the machinery was $15,000 in 2006. The cost of the base was $3,000, and this amount was charged to the Machinery account in 2006.
June 23 One of the buildings is repainted at a cost of $12,000. It had not been painted since it was constructed in 2008.

Instructions
Prepare general journal entries for the transactions. (Round to the nearest dollar.)