Presented below are selected transactions for Lumber Mill Company for 2021.

Jan. 1 Sold a machinery for $12,000 that was purchased on January 1, 2013. The machine cost $90,000 on that date, and had a useful life of 10 years with no salvage value.

April 30 Retired an equipment that was purchased on Jan 1, 2017. The equipment cost $65,000, and had a useful life of 5 years with salvage value of $5,000.

Dec 31 Discarded a business automobile that was purchased on Jan 1, 2016. The car cost $27,000 and was depreciated on a 6-year useful life with no salvage value.

REQUIRED:

Journalize all entries required as a result of the above transactions. Lumber Mill Company uses the straight-line method.