Lucena Manufacturing Co. charges factory overhead to production at 80% of direct labor cost. Jobs 842 and 843 were completed and sold in July, 20B. Total direct materials cost and prime cost for Job 842 were P9,000 and P14,000, respectively. Production cost of Job 843 amounted to P31,200 with factory overhead equal to 48% of direct materials cost. How much were the direct labor costs of Jobs 842 and 843?