Your answer is partially correct. Try again.  

Here are selected 2017 transactions of Monty Corporation.

Jan. 1Retired a piece of machinery that was purchased on January 1, 2007. The machine cost $61,800 and had a useful life of 10 years with no salvage value.June 30Sold a computer that was purchased on January 1, 2015. The computer cost $36,000 and had a useful life of 4 years with no salvage value. The computer was sold for $4,000 cash.Dec. 31Sold a delivery truck for $9,400 cash. The truck cost $23,800 when it was purchased on January 1, 2014, and was depreciated based on a 5-year useful life with a $3,700 salvage value.