Brainpower Pty Ltd is an advertising agency that uses a job costing system. Brainpower applies overhead to jobs based on direct professional labour hours. At the beginning of the year, overhead was estimated to be 575 000, direct professional labour hours were estimated to be 15 000, and direct professional labour cost was projected to be $225 000. During the year, Brainpower incurred actual overhead of 580 000, actual direct labour hours of 14 500 and actual direct labour cost of $222 000. What was Brainpower's overapplied or underapplied overhead during the year? a. 55000 underapplied b. $7500 underapplied $7500 overapplied d. 55000 overapplied