One source of a musky odor in perfumes is civetone, a compound extracted from the scent gland of the civet cat. Identify the functional group circled. 
Definitions:
Job-Order Costing System
A cost accounting system in which costs are assigned to specific jobs or batches, used in manufacturing and services.
Predetermined Overhead Rate
A rate used to allocate estimated overhead costs to products or services, based on a chosen activity base like labor hours or machine hours.
Direct Labor-Hours
The total number of hours worked by employees that are directly involved in the manufacturing process.
Predetermined Overhead Rate
A calculated rate used to allocate manufacturing overhead costs to products or job orders, based on a projected level of activity.
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