and the $6,000 invoice was approved for payment. What General Fund journal entry or entries should Walnut Creek make on June 2, upon receipt of the supplies and approval of the invoice? \begin{tabular}{|c|c|c|c|} \hline Transaction & General Journal & Debits & Credits \\ \hline A) & Encumbrances Outstanding & 6,000 & \\ \hline & Encumbrances & & 6,000 \\ \hline & Expenditures & 6,000 & \\ \hline & Vouchers Payable & & 6,000 \\ \hline B) & Encumbrances & 6,000 & \\ \hline & Appropriations & & 6,000 \\ \hline & Fund Balance-Unassigned & 6,000 & \\ \hline & Vouchers Payable & & 6,000 \\ \hline C) & Supplies & 6,000 & \\ \hline & Vouchers Payable & & 6,000 \\ \hline D) & Appropriations & 6,000 & \\ \hline & Encumbrances & 6,000 & \\ \hline & Supplies & & 6,000 \\ \hline & Vouchers Payable & & \\ \hline \end{tabular}