Optimum Mix Under Multiple Constraints 2 lenco manufactures two products (Whoosh and Swish) in two departments (Molding and Packaging). Molding has 1,000 hours available per week and Packaging has 1,500 hours week. Demand for both products is unlimited. Throughput margin is $80 per unit for Swish. Whoosh requires y hour per unit in Molding and 4 hour per unit in Packaging. Swish requires 4 hour per unit in Molding and % hour per unit in Packaging. a. Determine the optimum product mix if the throughput margin per unit for Whoosh available per is $20. b. Determine the optimum product mix if the throughput margin per unit for Whoosh is $50