need a-d completed please

A company uses a job order cost system with manufacturing overhead applied to products on the basis of direct labor hours. For the upcoming year, the company estimated total manufacturing overhead cost at $504,000 and total direct labor hours of 42,000 . During the year, actual manufacturing overhead incurred was $448,800 and 39,800 direct labor hours were used. Required: a. Calculate the predetermined overhead rate. b. Calculate how much manufacturing overhead will be applied to production. c. Is overhead over-or underapplied? By how much? d. What account should be adjusted for over-or underapplied overhead? Should the balance be increased or decreased? Complete this question by entering your answers in the tabs below. Calculate the predetermined overhead rate