Anon Amus Inc. operates a woodworking shop that makes tables and chairs. He has 25 employees working 40 hours per week and he has 750 hours per week available in machine time. Ralph knows that he must make at least four chairs for every table. He has also determined the following additional requirements: Product Table Chair Labour Hours 5 3 Machine Hours 2 1 Contribution Margin $18 $4 Required: Write the objective function and constraints given the above information.