One of Sunrise Hospital$$s vendors offers terms of $2/10,$ net $30.$ What is the approximate cost $($to the nearest tenth of a percent$)$ of not taking the discount if Sunrise stretches payment and typically pays at Day $40?$

Group of answer choices

$21\mathrm{.}4$ percent

$24\mathrm{.}5$ percent

$27\mathrm{.}6$ percent

$30\mathrm{.}7$ percent

$33\mathrm{.}8$ percent