Manufacturing mechanical heart valves Inputs Cost/valve % small % medium% large $75 Supplier 1 40 40 20 $65 Supplier 2 30 35 35 $50 Supplier 3 20 60 Available Supplier 1 2400 Supplier 2 2000 Supplier 3 1000 Required 1300 900 400 20 Manufacturing mechanical heart valves Inputs Cost/valve % small % medium% large $75 Supplier 1 40 40 20 $65 Supplier 2 30 35 35 $50 Supplier 3 20 60 Available Supplier 1 2400 Supplier 2 2000 Supplier 3 1000 Required 1300 900 400 20