An investor buys a T$-$bill at a bank discount quote of $4\mathrm{.}80$ with $150$ days to maturity for $$9800.$ The bill has a face value of $$10,000.$ The investor's bond equivalent yield on this investment is

$2\mathrm{.}43\%$

$4\mathrm{.}8\%$

$4\mathrm{.}9\%$

$4\mathrm{.}97\%$

$5\mathrm{.}47\%$