Perform a Pareto Analysis on the Following Information

Perform a Pareto analysis on the following information:
$$\begin{array} { | l | l | } \hline\text { Reason for unsatisfying stay at hotel } & \text { Frequency } \\\hline \text { Unfriendly staff } & 7 \\\hline \text { Room not clean } & 9 \\\hline \text { Room not ready at check-in } & 16 \\\hline \text { No towels at pool } & 21 \\\hline \text { No blanket for pull-out sofa } & 7 \\\hline \text { Pool water too cold } & 7 \\\hline \text { Breakfast of poor quality } & 21 \\\hline \text { Elevator too slow or not working } & 5 \\\hline \text { Took too long to register } & 3 \\\hline \text { Bill incorrect } & 4 \\\hline \text { Total } & 100 \\\hline\end{array}$$