Lonestar Corporation has the following information for the year: Materials placed into production Indirect labor Direct labor (10,000 hours) Depreciation of factory building Other factory overhead Increase in work-in-process inventory $140,000 40,000 160,000 60,000 100,000 30,000 Factory overhead is applied at a predetermined overhead rate of $18 per direct labor hour. What is the amount of under-or overapplied overhead for Lonestar Corporation for the year? Oa. $40,000 underapplied Ob. $40,000 overapplied Oc. $20,000 overapplied Od. $20,000 underapplied