Answer: $1400
Step-by-step explanation:
The amount of gross income that Heather must report will be the addition of the interest on the US government bonds, the interest on the federal income tax refund and the gain on the sale of Madison company school bonds. This will be:
= $700 + $200 + $500
= $1400
Therefore, Heather must report gross income in the amount of $1400. The correct option is D.