Answer:
A. debit Supplies Expense, $4670; credit Supplies, $4670.
Step-by-step explanation:
Lets consider the opening balance in the supplies account to be zero.
The purchase of supplies worth 5700 cause a debit balance in the suppies account and the the supplies account is debited by 5700. During the year the supplies are consumed and at the end, the adjusting entry is made. The supplies account have a remaining balance of 1030.
This means that during the year, supplies worth 4670 (5700 - 1030) have been consumed and should be charged as an expense and reduced in the supplies account.
The entry for such an event is,
Supplies expense 4670 Dr
Supplies account 4670 Cr