Would like a detailed explanation of this example.

Given the following information complete a CVP analysis for JPL, Inc: 1. Compute the CM ratio and variable expense ratio. Selling price per unit Variable expenses per unit Contribution margin per unit \begin{tabular}{|l|} \hline per \\ unit \\ per \\ unit \\ per \\ unit \\ \hline \end{tabular} CM ratio Variable expense ratio 2. Compute the break-even sales. \begin{tabular}{|l|l|} \hline Break-eveninunitsalesBreak-evenindollarsales & units \\ \hline \end{tabular} 3. Compute the margin of safety. Margin of safety in dollars Margin of safety percentage 4. Compute the degree of operating leverage. Sales Variable expenses Contribution margin Fixed expenses Net operating income Degree of operating leverase