A truck that cost $72,000 and on which $60,000 of accumulated depreciation has been recorded was disposed of for $18,000 cash. The entry to record this event would include which of the following? a. credit to Gain on Dipsosal of Plant Assets for $6,000. b. debit to Loss on Disposal of Plant Assets for $6,000. c. credit to the Equipment account for $12,000. d. credit to Accumulated Depreciation for $60,000.