Present value $($with changing interest rates$).$ Marty has been offered an injury settlement of $$10,000$ payable in $3$ years. He wants to know what the present value of the injury settlement is if his opportunity cost is $5\%.($The opportunity cost is the interest rate in this problem.$)$ What if the opportunity cost is $8\%?$ What if it is $12\%?$

If Marty's opportunity cost is $5\%,$ what is the present value of the injury settlement?

$ $($Round to the nearest cent.$)$

If Marty's opportunity cost is $8\%,$ what is the present value of the injury settlement?

$($Round to the nearest cent.$)$

If Marty's opportunity cost is $12\%,$ what is the present value of the injury settlement?

$($Round to the nearest cent.$)$