during the current year, creek company incurred the following direct labor costs: january $80,000 and february $120,000. creek uses a predetermined overhead rate of 120% of direct labor cost. estimated overhead for the 2 months totaled $78,000 and $142,800, respectively. actual overhead for the 2 months totaled $100,000 and $134,000, respectively. was overhead under- or overapplied during january and by how much?