There is $10,000 of interest income, $1,250 was from a City of Irvine bond that was used to fund public activities (issued in 2011), $1,750 was from an Oceanside city bond used to fund private activities (issued in 2004), $1,000 was from a U.S. Treasury bond, and the remaining $6,000 was from a money market account.

How much should be included as interest income?