Q4. (Limiting Factor) Bowling Ltd produces four products, data referring to which is showrn below 40 80 SP per unit Labour@ 2/hr Material @1/kg 60 72 12 12 28 20 20 24. 36 24 16 44. 16 48 32 Contrib'n/unit 28 DLH/unit Kg/unit 6 12 4 36 20 24 Demand (units) 5,000 6,000 4,000 2,000 Assuming the following, what would be the best product mix to maximise contribution if the direct labour hours (DLH) are limited to 50,000 hours