Lillian Fok is president of Lakefront Manufacturing, a producer of bicycle tires. Fok makes tires per day with the following resources: Labor: 400 hours per day @ $ 12.00 per hour

Raw Material: b20,000 pounds per day @ $ 1.00 per pound

Energy: $5,000 per day Capital: $10,250 per day

Labor productivity per labor hour for these tires = enter your response here tires/labor hour