For Each of the Following Independent Cases, Solve for the Unknown

For each of the following independent cases, solve for the unknown factor.
$\begin{array}{lll}& \underline{\text { CASE I }}& \underline{\text { CASE 2} }& \underline{\text { CASE 3}}\\\text {Cost of goods sold}&\$ 25,000 & \$ 20,000 & \text { C } \\\text {Inventory, beginning}&8,000 & 80,000 & \$ 25,000 \\\text {Inventory, ending}&3,000 & \text { B } & 60,000 \\\text {Accounts payable, beginning}&6,000 & 8,000 & 15,000 \\\text {Accounts payable, ending}&5,000 & 8,000 & 2,000 \\\text {Cash payments to suppliers}&\text { A } & 44,000 & 123,000\end{array}$