Colt Company produces two skateboard models, Machine time per unit for Hero is two hours and for Flip is one hour. The mochine's cepocity is 1,860 hours per year. Colt can seli up to 656 units of Hero and 848 unts of Flip per year. Selling prices and variable costs follow, (a) Compute the contribution margin per.machine hour for each product. (b) Defermine the best sales mbx of products. (c) Cormpute the total contribution margin for the best sales mix. Unils produced for most profitable saies mix Contribution margin per unit Total contribution margin \begin{tabular}{|c|c|c|} \hline Hero & Flip & Total \\ \hline & & \\ \hline & & \\ \hline & & \\ \hline \end{tabular}