Calculate the missing information. Round dollars to the nearest cent and percents to the nearest tenth of a percent.ItemCostTextbook $31.11Need Help?Amount ofMarkup (in $)$ 21.39Read ItSelling Price$52.50PercentMarkupBased onSelling Price* %

Given: The selling price is $52.50 and the cost price is $31.11.
To find: Percent Markup based on selling price.
Explanation:
The percentage markup based on selling price will be:
[tex]M=\frac{S.P.-C.P.}{S.P.}\times100[/tex]Plug the value S.P.= 52.20 and C.P.=31.11 in the above formula to get:
[tex]\begin{gathered} M=\frac{52.50-31.11}{52.50}\times100 \\ =\frac{21.39}{52.50}\times100 \\ =40.98\% \end{gathered}[/tex]Rounding it to the nearest tenth percent we get 41.0%
Final Answer: The percent markup is 41%.