Our team is hired by Apple to help assess whether or not to continue to manufacture and sell an older model of the IPhone. Apple explains that this model continues to sell well in foreign markets, but it worries that fixed costs are so large that it is difficult to earn a profit. The Tableau Dashboard is provided to aid our analysis of this model. variabie Uosts rer urit Variable Costs Per Unit Internal Components Receiver Sales Price Per Unit 1. Compute the contribution margin per unit. \begin{tabular}{|l|l|} \hline & \\ \hline Contribution margin \\ \hline \end{tabular} 2. Compute the contribution margin ratio. \begin{tabular}{|c|c|c|c|c|} \hline Numerator: & 1 & Denominator: & = & Contribution Margin Ratio \\ \hline & 1 & & = & Contribution margin ratio \\ \hline \end{tabular} 3. Compute break-even point in sales dollars