Compute the total and annual returns on the following investment.

You pay $$5500$ for a municipal bond. When it matures after $20$ years, you receive $$11,600.$

The total return is

$\%.$

$($Do not round until the final answer. Then round to one decimal place as needed.$)$

The annual return is $\%.$

$($Do not round until the final answer. Then round to one decimal place as needed.$)$