Here are selected 2017 transactions of Marigold Corporation.

Jan. 1 Retired a piece of machinery that was purchased on January 1, 2007. The machine cost $63,000 and had a useful life of 10 years with no salvage value.
June 30 Sold a computer that was purchased on January 1, 2015. The computer cost $37,000 and had a useful life of 4 years with no salvage value. The computer was sold for $6,000 cash.
Dec. 31 Sold a delivery truck for $9,130 cash. The truck cost $24,500 when it was purchased on January 1, 2014, and was depreciated based on a 5-year useful life with a $3,400 salvage value.

Required:
Journalize all entries required on the above dates, including entries to update depreciation on assets disposed of, where applicable.