Indicate how each of the following transactions is entered into the US balance of payments with double-entry bookkeeping:

A U.S. firm exports $500 of goods to an Australian retired man who pays with his bank account savings from his Australian Bank

A U.S. economics major purchases a travel service for $200 to Italy and pays it with money from his U.S. bank account

The U.S. government gives $100 from a US bank to Cuba to favor greater economic growth

A U.S. resident purchases a foreign stock for $400 and pays for it by increasing bank balances in the United States

A foreign investor purchases $300 of U.S. treasury bills and pays by drawing down his bank balances in the United States by the same amount

--> Using this information, calculate the U.S. balance of payments