If a company applies overhead to production with a predetermined overhead rate, a debit balance in the Factory Overhead account at the end of the period means that: Select one: O a. Actual overhead was greater than the overhead amount applied to production O b. Actual overhead incurred was less than the overhead amount applied to production O c. The overhead was overapplied for the period. Od. The balance will be carried forward to the next period as an overhead cost Oe. The bookkeeper has made an error because the debits don't equal the credits