An off$-$price outerwear buyer negotiated a special purchase from a manufacturer who had availability on $1,500$ pieces of different styles of raincoats at one low price of $$25$ each. The buyer decides to establish retail prices as follows for the different styles:

$500$ units of ponchos to retail at $$49\mathrm{.}99$ each.

$500$ units of trench coats to retail at $$54\mathrm{.}99$ each.

$500$ units of anoraks to retail at $$59\mathrm{.}00$ each.

What markup percentage is realized on this purchase?