Scenario $1$: Barry's Tire Service completed $100$ tire changes, six brake jobs, and $16$ alignments in an eight$-$hour day with his standard crew of six mechanics. A brake specialist costs $$16$ per hour, a tire changer costs $$8$ per hour, and an alignment mechanic costs $$14$ per hour. The materials cost for a day was $$2000,$ and overhead cost was $$500.$ What is the shop's labor productivity if the retail price for each respective service is $$60,$ $$150,$ and $$40?$ Show your answer as dollars per labor hour, rounded to one decimal place.