单选题 Mr. Wong is a small company. And it failed to record every transaction. Now you are provided with the following information: capital at 1 January 2003 is ＄30,000, capital at 31 December 2003 is ＄31,000. During 2003, drawings are ＄2,000. Then the net profit for the year 2003 is ______. (a)＄3,000. (b)＄-1,000. (c)＄1,000. (d)＄-3,000.