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	500
Interest on a federal income tax refund	100
Gain on the sale of Bland County school bonds	400

Heather's gross income from the above is:

		$1,600.
		$1,500.
		$1,200.
		$1,100.
		None of the above.