Answer :
It takes $10 to buy a meal in Rio and your purchase will increase Brazil's net exports.
What are net exports?
A country's overall trade is gauged by its net exports. The calculation of net exports is straightforward: Net exports are calculated as the total value of a country's exports less the total value of its imports of goods and services. If a country's net exports are positive, it has a trade surplus; if they are negative, it has a trade deficit. Thus, a country's overall trade balance includes its net exports as part of it. A nation with positive net exports earns more money from the sale of its commodities abroad than it does from all of its imports combined. All products and services that a nation sends to other countries are considered exports, and this includes all items and services related to commerce, shipping, travel, tourism, and finance.
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