SOURCES work Exercise 9-9 art Level Presented below are selected transactions at Ridge Company for 2017. at ean. Retired a piece of machinery that was purchased on January 1, 2007. The machine cost $61,700 on that date. It had a useful life of 10 years with no salvage value. une 30 Sold a computer that was purchased on January 1, 2014. The by Study computer cost $42,000. It had a useful life of 5 years with no salvage value. The computer was sold for $14,500. Dec 31 Discarded a delivery truck that was purchased on January 1, 2013. The truck cost $39,540. It was depreciated based on a 6-year useful life with a $3,000 salvage value Journalize all entries required on the above dates, including entries to