Jessica is new owner of Coffee Roasters. Their best sellers are "best blend" & "economy blend" coffee. Both are blended from 3 basic grades of coffee:
Best blend: 50% grade A, 20% grade B, 30% grade C
economy: 20% grade A, 50 % grade B, 30% grade C
Market prices are $790/ton for Best and $700/ton for Economy. Firm is provided option of purchasing up to 100 tons of grade A at $800/ton, 100 tons of grade B at $600/ton, and 75 tons of Grade C at $400/ton. Profit on Best blend is $150/ton and profit on Economy blend is $120/ton.
Jessica would like to maximize the profit.
Prepare the problem as the linear program (decision variables, objective function, constraints).