Long Industries Uses a Job-Order Costing System The Following Information Was Available for Job No

Long Industries uses a job-order costing system.The Moulding Department applies overhead based on machine hours,while the Assembly Department applies overhead based on direct labour hours.The company made the following estimates at the beginning of the current year: $\begin{array}{lcc}& \text { Moulding } & \text { Assembly } \\\text { Manufacturing overhead cost } & \$ 600,000 & \$ 400,000 \\\text { Machine hours } & 10,000 & 4,000 \\\text { Direct labour hours } & 12,000 & 16,000\end{array}$ The following information was available for Job No.7-29,which was started and completed during July:
$\begin{array}{lrr}&\text { Job No. 7-29 }\\&\text { Moulding }&\text { Assembly }\\\text { Direct materials } & \$ 3,500 & \$ 7,500 \\\text { Direct labour } & \$ 9,000 & \$ 12,500 \\\text { Direct labour hours } & 900 & 1,250 \\\text { Marhine hours } & 500 & 400\end{array}$ What is the predetermined overhead rate for the Moulding Department?

A) $50
B) $60
C) $83
D) $100