Timber Manufacturing uses the perpetual inventory system and purchased $6,000 of merchandise inventory on account. The seller prepays $300 in freight charges which were added to Timber Manufacturing's invoice.
The journal entry for the purchase of merchandise on account using the perpetual inventory system is:

a.merchandise inventory: 6,000 debit
delivery expense: 300 debit
accounts payable: 6,300 credit
b.merchandise inventory: 6,000 debit
accounts payable: 6,600 credit
c.merchandise inventory: 6,300 debit
cash: 6,300 credit
d.merchandise inventory: 6,300 debit
accounts payable: 6,300 credit