Answer
Markup = 122.67%
Explanation
Given:
[tex]\begin{gathered} \text{Selling price }=153.60 \\ \text{Cost price }=68.98 \end{gathered}[/tex]The formula for markup is given by
[tex]\text{Markup }=\frac{\text{Selling price - Cost price}}{Cost\text{ price}}\times100[/tex]Hence the markup would be
[tex]\begin{gathered} \text{Markup }=\frac{153.60-68.98}{68.98}\times100 \\ \text{Markup }=\frac{84.62}{68.98}\times100 \\ \text{Markup }=122.67\% \end{gathered}[/tex]