5) Darrow Corporation uses a predetermined overhead rate based on direct labor-hours to apply manufacturing overhead to jobs. Last year, the Corporation worked 10,000 direct labor-hours and incurred $80,000 of actual manufacturing overhead cost. If overhead was underapplied by $2,000, the predetermined overhead rate for the Corporation for the year must have been: A) $7.80 per direct labor-hour B) $8.00 per direct labor-hour C) $8.20 per direct labor-hour D) $8.40 per direct labor-hour E) None of the above