12) Halcyon Inc, completed Job 10B last month. The cost details of Job 10B are shown below $2,040 $90 Direct labor cost Direct materials cost Machine hours used Direct labor hours Predetermined overhead allocation rate per direct labor hour $32.80 Calculate the total job cost for Job 10B. A) $2,640 B) $4,590 C) $4,680 D) $2,550