For an investment to triple in value during a $11-$year period,a$.$ What annually compounded rate of return must it earn? $($Do not round intermediate calculations and round your final answer to $2$ decimal places.$)$Annually compounded rate of return$\%$b$.$ What quarterly compounded rate of return must it earn? $($Do not round intermediate calculations and round your final answer to $2$ decimal places.$)$Quarterly compounded rate of return$\%$c$.$ What monthly compounded rate of return must it earn? $($Do not round intermediate calculations and round your final answer to $2$ decimal places.$)$Monthly compounded rate of return$\%$