Heather's interest and gains on investments for 2015 were as follows:

Interest on U.S. Government bonds	600
Interest on Bland County school bonds	700
Interest on a federal income tax refund	200
Gain on the sale of Bland County school bonds	500

Heather's gross income from the above is:

		$1,400.
		$1,500.
		$2000
		$1,800.
		None of the above. PLEASE EXPLAIN