Jan 1 Presented below are selected transactions at Blue Spruce Corp. for 2020. Retired a piece of machinery that was purchased on January 1, 2010. The machine cost $62.900 on that date. It had a useful life of 10 years with no salvage value. June 30 Sold a computer that was purchased on January 1, 2017. The computer cost $43,200, it had a useful life of 5 years with no salvage value. The computer was sold for $15,100. Dec Discarded a delivery truck that was purchased on January 1, 2016. The truck cost $36,600. It was depreciated based on a 6-year useful life with a $3.000 salvage value 31 Journalize all entries required on the above dates, including entries to update depreciation, where applicable, on assets disposed of. Blue Spruce Corp, uses straight-line depreciation (Assume depreciation is up to date as of December 31, 2019. (Credit account titles are automatically indented when amount is entered. Do not indent manually. Record journal entries in the order presented in the problem. If no entry is required, select "No Entry" for the account titles and enter for the amounts. Do not round Intermediate calculations.) Debit Credit Date Account Titles and Explanation (To record depreciation to date of disposal) June 30 (To record sale of computer) (To record depreciation to date of disposal) Dec 31 (To record retirement of truck)