A company purchased a new truck at a cost of $42,000 on June 1, 2019. The truck is estimated to have a useful life of 7 years. The company uses the straight-line method of depreciation. So, the annual depreciation expense is $6,000. How much depreciation expense will be recorded for the truck during the first year ended December 31? Select one: a. $6,000. B. $45,000. C. $3,500. D. $3,000.