Combine the concepts of net exports, net investment income, and net transfers to explain how they collectively determine the current account balance.

The current account balance is determined solely by net exports.

The current account balance is the sum of net exports, net investment income, and net transfers, reflecting a country's short-term international economic transactions.

The current account balance is unrelated to net exports, net investment income, and net transfers.

The current account balance is the sum of net investment income and net transfers only.