At the beginning of the year, Wilson Company estimated the following: Overhead Direct labor hours Machine hours......... $360,000 40,000 hours 60.000 hours Wilson uses normal costing and applies overhead on the basis of machine hours. For the month of May, direct labor hours worked were 4,200 and machine hours operated were 6,500. The actual overhead incurred for the month was $58,500. What would be (1) the predetermined overhead rate and (2) the overhead applied to production in May? (1) $6 per machine hour (2) $25,200 (1) $9 per machine hour (2) $37,800 (1) $9 per machine hour (2) $58,500 O (1) $6 per machine hour (2) $39,000