Lillian Fok is president of Lakefront Manufacturing, a producer of bicycle tires. Fok makes $1,200$ tires per day with the following resources:

Labor: $400$ hours per day @ $$12\mathrm{.}50$ per hour

Raw Material: $20,000$ pounds per day @ $$1\mathrm{.}50$ per pound

Energy: $$5,000$ per day

Capital: $$10,000$ per day

a$)$ Labor productivity per labor hour for these tires $=$ tires$/$labor hour $($round your response to two decimal places$).$