Answer:
The missing options are "US Account - Private sales and purchase of assets, Office asset sales and Purchase, Transfer, Factor Income, Sales and Purchase of goods and services
The direction of flow option are "Payment to foreigners, Payment from foreigners"
a. An Australian company buys steel from a U.S. firm.
Account: Sales and purchase of goods and service
Direction: Payment from foreigners"
b. The Federal Reserve buys $2 billion worth of euros.
Account: Official asset sales and purchase
Direction:Payment to foreigners
c. Profits are earned by a U.S. based mining company operating in Mexico.
Account: Factor Income
Direction: Payment from foreigners
d. An English company purchases a U.S. confectionary manufacturer.
Account: Private sales and purchase of goods
Direction: Payment from foreigners