Solid Oak Bureau Company uses job costing. Solid Oak Bureau Company has two departments, Trimming and Finishing. Manufacturing overhead is allocated based on direct labor cost in the Trimming Department and direct labor hours in the Finishing Department. The following additional information is available: Estimated amounts Trimming Dept. Finishing Dept.
Direct labor cost $320,000 $400,000
Direct labor hours 25,000 40,000
Manufacturing overhead costs $416,000 $260,00

Actual amounts Trimming Dept. Finishing Dept.
Direct Material requisitioned $22,500 $52,500
Direct Labour cost $35,400 $37,100
Direct Labour hours 5400 5000

What is the predetermined manufacturing overhead rate for the Trimming Department?
a. 77% of direct labor cost
b. 107% of direct labor cost
c.130% of direct labor cost
d. 100% of direct labor cost