An investment company pays $8\%$ compounded semiannually. You want to have $$8,000$ in the future.

$($A$)$ How much should you deposit now to have that amount $5$ years from now?

$$5404\mathrm{.}51($Round to the nearest cent.$)$

$($B$)$ How much should you deposit now to have that amount $10$ years from now?

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