A piece of equipment that cost $100,000 and on which $80,000 of accumulated depreciation had been recorded was disposed of on January 2, the first day of business of the current year. For each of the following assumptions, compute the gain or loss on the disposal and complete the necessary journal entry. A The equipment was sold for $12,000 in cash B. The equipment was sold for $36,000 in cash C. The equipment was discarded as having no value