Answer: -$500,000,000
Step-by-step explanation:
The Balance of payment is an account that shows the difference between the money coming into a country as a result of transactions with other nations and money going out for the same reason.
Given the figures in the question, the Balance of Payments is;
= Current Account balance + Nonreserve financial account balance
= -1,000,000,000 + 500,000,000
= -$500,000,000