The Following Items Are Taken from the Financial Statements of the Postal

The following items are taken from the financial statements of the Postal Service for the year ending December 31, 2018: $\begin{array}{lr}\text { Accounts payable } & 18,000 \\\text { Accounts receivable } & 11,000 \\\text { Accumulated depreciation - equipment } & 28,000 \\\text { Advertising expense } & 21,000 \\\text { Cash } & 15,000 \\\text { Common stock } & 42,000 \\\text { Dividends } & 14,000 \\\text { Depreciation expense } & 12,000 \\\text { Insurance expense } & 3,000 \\\text { Note pavable, due } 6 / 30 / 19 & 70,000\end{array}$ $\begin{array}{lr}\text { Prepaid insurance (12-month policy) } & 6,000 \\\text { Rent expense } & 17,000 \\\text { Retained earnings (1/1/18) } & 60,000 \\\text { Salaries and wages expense } & 32,000 \\\text { Service revenue } & 133,000 \\\text { Supplies } & 4,000 \\\text { Supplies expense } & 6,000 \\\text { Equipment } & 210,000\end{array}$ What is the company's net income for the year ending December 31, 2018?

A) $12,000
B) $28,000
C) $42,000
D) $133,000