*Doug and Pattie received the following interest income in the current year: Savings account opened at Greenbacks Bank $4,000 U.S.Treasury bonds 250 Interest on State of Iowa bonds 200 Interest on Federal tax refund 150 Interest on state income tax refund 75 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