Nike has a variable cost of $$25$ for its women's running shoes and sells the shoes to the broker for $$50,$ who sells them to the retailer for $$75,$ who sells them to the consumer for $$99\mathrm{.}99.$ What is the percentage margin to the rease round to the nearest percent.

$25\%.$

$50\%.$

$17\%.$

$33\%.$