Halley Corporation has a job order cost system

Halley Corporation has a job order cost system. The following debits (credits) appeared in Work in Process for the month of July: July 1, balance P 12,000 July 31, direct materials.... 40,000 July 31, direct labor ...... 30,000 July 31, factory overhead.. 27,000 July 31, to finished goods (100,000) Halley applies overhead to production at a predetermined rate of 90% based on the direct labor cost. Job 1040, the only job still in process at the end of July, has been charged with factory overhead of P2,250. What was the amount of direct materials charged to Job 1040?