need help please

Koebel Corporation uses a job order cost system with manufacturing overhead applied to products on the basis of direct labor hours. For the upcoming year, Koebel Corporation estimated total manufacturing overhead cost at $711,200 and total direct labor hours of 50,800 . Koebel Corporation started the year with no beginning balances in either Work in Process Inventory or Finished Goods. Inventory. During the year, actual manufacturing overhead incurred was $695,700 and 48,000 direct labor hours were used. Required: a. Calculate the predetermined overhead rate. b. Calculate how much manufacturing overhead will be applled 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. Predetermined Overhead Rate per hour