Lillian Fok is president of Lakefront Manufacturing, a producer of bicycle tires. Fok makes $1,000$ tires per day with the following resources:

Labor: $,425$ hours per day @$$12\mathrm{.}00$ per hour

Raw Material: $,20,000$ pounds per day @ $$1\mathrm{.}00$ per pound

Energy: $,$$$5,250$ 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$).$