For the current year, Paxman Company incurred $$150,000$ in actual manufacturing overhead cost. The Manufacturing Overhead account showed that overhead was overapplied in the amount of $$6,000$ for the year. If the predetermined overhead rate was $$9\mathrm{.}00$ per direct labour hour, how many hours were worked during the year?

a$.16,667$ hours

b$.17,333$ hours

c$.1,350$ hours

d$.667$ hours