Cadburn Corp. uses a job order costing system with manufacturing overhead applied to products on the basis of direct labor hours. For the upcoming year, Cadburn Corp. estimated total manufacturing overhead cost at $250,000 and total direct labor hours of 50,000. During the year actual manufacturing overhead incurred was $262,500 and 51,000 direct labor hours were used.

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?