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1 0 . Write a query to return the country that has the highest average revenue. Your output columns should be country and high _

10. Write a query to return the country that has the highest average revenue. Your output
columns should be country and high_sales.
Hint: To obtain the highest value, you will need to return only one row from your results. Think of
how youll need to sort the output and then see this link if you need guidance on how to select a
single row.

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