3. Technics Inc., a manufacturing company, utilizes process costing. Each department establishes its own estimates regarding overhead, which are as follows: Total estimated overhead Total estimated machine hours Total estimated direct labor costs Actual machine hours used Actual direct labor costs incurred Actual overheard cost incurred Department A $128,000 16.000 $ 155,000 15,200 $162,000 $120,000 Department B $261,000 72,500 $290,000 73,100 $285,000 $260,000 a) If Department A allocates overhead on the basis of machine hours, and Department B allocates overhead as a percentage of direct labor costs, what would the predetermined overhead rate be for each department? b) Record the journal entry for each department to apply overhead. c) What is the amount of under- or over-applied overhead? Indicate the balance ($) and if it is under- or over-applied. d) Record the journal entry to close the overhead accounts to cost of goods sold