Casual Essentials, Inc. manufactures two types of team shirts, the Homerun and the Goalpost, with unit contribution margins of $5 and $15, respectively. Regardless of type, each team shirts must be fed through a stitching machine to affix the appropriate team logo. The firm leases seven machines that each provides 1,000 hours of machine time per year. Each Homerun shirt requires 6 minutes of machine time, and each Goalpost shirt requires 30 minutes of machine time. Assume that a maximum of 50,890 units of each team shirts can be sold. Required: If required, round your answers to the nearest whole number. 1. What is the contribution margin per hour of machine time for each type of team shirts? Contribution Margin Homerun $ Goalpost $ 2. What is the optimal mix of team shirts? Optimal Mix Homerun units Goalpost units 3. What is the total contribution margin earned for the optimal mix? $