GG Pty Ltd's Accounting Records Show Determine the Amount of Cash Paid for Inventory for the }

GG Pty Ltd's accounting records show:
$\begin{array}{lcc}&\text { Beginning Balance } & \text { Ending Balance } \\&\text { '000 } & 000 \\&\$ & \$\\\text { Accounts pa yable } & 12 & 8 \\\text { Inventory } & 25 & 21 \\\text { Cost of sales } & - & 50\end{array}$
Determine the amount of cash paid for inventory for the period.

A) $42,000.
B) $48,000.
C) $58,000.
D) $50,000.