An important rule of debits and credits is: O A. credits increase revenue accounts. O B. debits increase liability accounts. O C. debits decrease asset accounts. O D. credits increase asset accounts. A business purchased office supplies of $30,000 on account. The business would: OA debit Accounts Payable for $30,000 and credit Supplies for $30,000. OB. debit Accounts Receivable for $30,000 and credit Supplies for $30,000. Oc. debit Supplies for $30,000 and credit Accounts Payable for $30,000 OD. debit Supplies for $30,000 and credit Cash for $30,000