Why choose B?can u show me how to record the journal entry.thank u

6. A truck that cost $12,000 and on which $9,000 of accumulated depreciation has been recorded was disposed of for $2,000 cash. The entry to record this event would include a: a. gain of $1,000. b. loss of $1,000. c. credit to Truck account for $3,000. d credit to Accumulated depreciation for $9,000