This exercise is based on the following table, which lists interest rates on long$-$term investments $($based on $10-$year government bonds$)$ in several countries in $2021.$

Country United States Qatar Iceland South Africa Brazil

Yield $0\mathrm{.}025\%2\mathrm{.}5\%1\mathrm{.}0\%3\mathrm{.}5\%4\mathrm{.}25\%$

How long, to the nearest year, will it take an investment in Brazil to double its value if the interest is compounded every $4$ months?

Incorrect: Your answer is incorrect.

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