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40. A truck that cost $40,000 and on which $30,000 of accumulated depreciation had been recorded was disposed of on January 1, the firs day of the new year. Calculate Gain or loss for the disposal under of the following assumptions: each a. It was discarded as having no value. b. It was sold for $7,200 cash. c. It was sold for $10,000 cash. d. It was sold for $12,500 cash