Harriet's interest and gains on investments for 2023 were as follows: Interest on U.S. government bonds. - $300 Interest on Bland County school bonds - $400 Interest on a Virginia income tax refund - $200 Gain on the sale of Bland County school bonds - $500 Harriet's gross income from the above is:

a.$1,100.

b$500.

c.None of the options.

d.$1,400.

e.$1,000.