A student wants to put $$9,000$ in a high$-$yield savings account that offers $10\%$ interest per year. If the student deposits the money today, how long would it take for the account to double?

$4\mathrm{.}6$ years

$5\mathrm{.}9$ years

$2\mathrm{.}4$ years

$7\mathrm{.}3$ years