Monroe's Industries Reported Net Income of $18,000 and Paid Cash

Monroe's Industries reported net income of $18,000 and paid cash dividends of $2,000.Changes in balanced sheet accounts for the year were as follows:
$\begin{array}{lc} & \bold{\text { Increase }} \\& \bold{\text { Decrease }} \\\text { Accounts receivable } & \$ 5,000 \\\text { Inventory } & 3,000 \\\text { Property, plant and equipment } & 15,000 \\\text { Accumulated depreciation } & 3,000 \\\text { Accounts payable } & 6,000 \\\text { Accrued liabilities } & 2,000\end{array}$ Based on the above information,what is the amount of net cash provided by operations?

A) $1,000
B) $15,000
C) $21,000
D) $30,000