Doug and Pattie Received the Following Interest Income in the Current

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