the following debits (credits) appeared in Axe company's work in process inventory account for the month of march: March 1 beginning balance $2000 March 31 direct materials $12,000 March 31 direct labor $8,000 March 31 manufacturing overhead $6,400 March 31 transfer to finished good(24,000) Axe applies overhead to jobs at predetermined application rate of 80% of direct labor cost . job No. 9, the only job still in process at the end of march, has been charged with direct labor of $1000. The amount of direct materials charged to Job No. 9 was: