Sam Smith is a citizen and bona fide resident of Great Britain (United Kingdom). During the current year, Sam received the following income:

• Compensation of $400,000 from performing concerts in the United States
• Cash dividends of $10,000 from a French corporation stock
• Interest of $5,000 on a U.S. corporation bond
• Interest of $2,000 on a loan made to a U.S. citizen residing in Australia
• Gain of $80,000 on the sale of stock in a U.S. corporation

Determine the total US source income John received.