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Problem 2. (25%) An aggregate company made several equipment purchases in the past decade. Its first asset was a tow truck bought in 2010 for $36 000. In 2015, a van was purchased for $21500. A second tow truck was bought in 2018 for $38 000, and the first one was sold the following year for $11500. Using a 30 percent CCA rate (automobiles, trucks, and vans), what was the balance of its UCC account at the end of 2020