Doug and Pattie Received the Following Interest Income in the Current

Doug and Pattie received the following interest income in the current year:
$\begin{array}{llr} \text { Savings account at Greenbacks Bank} &\$4,000\\ \text { United States Treasury bonds } &250\\ \text {Interest on State of Iowa bonds } &200\\ \text { Interest on Federal tax refund } &150\\\text { Interest nn state income tax refiud }&75\end{array}$

Greenbacks Bank also gave Doug and Pattie a cellular phone (worth $100) for opening the savings account. What amount of interest income should they report on their joint income tax return?

A) $4,775.
B) $4,675.
C) $4,575.
D) $4,300.
E) None of the above.