Based on the information given the percent markup is 40%.
Using this Formula
Percent markup=(New price-Old price)/Old price
Where:
New price=$253.40
Old price=$181
Let plug in the formula
Percent markup=( $253.40-$181)/$181
Percent markup=$72.4/$181
Percent markup=0.4 ×100
Percent markup= 40%
Inconclusion the percent markup is 40%.
Learn more here:https://brainly.com/question/13011865