an. 1 Retired a piece of machinery that was purchased on January 1, 2009. The machine cost $62,900 on that date. It had a useful life of 10 years with no salvage value. computer that was purchased on January 1, 2016. The computer cost $43,200. It had a useful life of 5 years with no salvage value. The computer was sold for in the order presented in the problem. If no entry is required, select "No Entry for the account titles and enter 0 for the amounts. Do not round