A company makes three types of Concrete. Its concrete A produce $60 in profit per tire, its concrete B $40 a tire, and concrete C $80 for each ton. Each concrete passes through three stages as a part of the entire production process. Each of the three process centers has the following hours of available production time per day: Process I II III The time required in each process to produce one ton of concrete is as follows: Hours per Ton Mixture A Mixture B Mixture C Hours 12 9 16 2 2 3 2 1 2 1 3 Determine the optimum product mix for each day's production, assuming all concretes are sold.