If you invest $$14,000$ today, how much will you have in each of the following cases? Enter all answers as positive amounts.

a$.$ In $10$ years at $11$ percent? $($Round your final answer to $2$ decimal places.$)$

b$.$ In $20$ years at $9$ percent? $($Round your final answer to $2$ decimal places.$)$

c$.$ In $10$ years at $6$ percent $($compounded semiannually$)?($Round your final answer to $2$ decimal places.$)$