3- At January 1, 2012, Alfa Company's accounts payable balance was $3,600. During January, Alfa had credit purchase of a machine worth $14,400 and paid accounts payable of $12,000. At January 31, 2012, the accounts payable balance is O $1,200 debit. $6,000 debit. $1,200 credit $6,000 credit. None of the above