Salaries are $4,500 per week for five working days and are paid weekly at the end of the day Fridays. The end of the month falls on a Thursday. The accountant for Dayton Company made the appropriate accrual adjustment and posted it to the ledger. The balance of Salaries Payable, as shown on the adjusted trial balance, will be a ________. (Assume that there was no beginning balance in the Salaries Payable account.)

a.credit balance of $3,600
b.debit balance of $900
c.debit balance of $3,600
d.credit balance of $900