2) Giant Inc. has 3,600 machine hours available each month. The following information on the company's threc surgical kits is available: Surgical Kit Surgical Kit Surgical Kit 1 2 3 Contribution margin per s 5.00 unit $ 4.00 $ 2.50 Machine hours per unit 2 1 3 Sales demand in units 1,000 800 900 Required: a. How many of each unit would be sold at the best sales mix? al) Surgical Kit 1: a2) Surgical Kit 2: a3) Surgical Kit 3: b. What will be the maximum possible contribution margin