What is the journal entry used to apply factory overhead of $7,650? a. debit Work in Process $7,650, credit Factory Overhead $7,650 b. debit Factory Overhead $7,650, credit Work in Process $7,650 c. debit Work in Process $7,650, credit Wages Payable $7,650 d. debit Work in Process $7,650, credit Materials $7,650