The Work in Process inventory account of a manufacturing firm shows a balance of $1,678 at the end of an accounting period. The job cost sheets of two uncompleted jobs show charges of $300 and $100 for direct materials, and charges of $200 and $400 for direct labor. From this information, it appears that the company is using a pre-determined overhead rate, as a percentage of direct labor costs of:____.
A. 80%.
B. 125%.
C. 300%.
D. 240%.