Stine Company uses a job order cost system. On May 1, the company has a balance in Work in Process Inventory of $3,520 and two jobs in process: Job No. 429 $2,130, and Job No. 430 $1,390. During May, a summary of source documents reveals the following. Job Number Materials Requisition Slips Labor Time Tickets 429 $2,820 $2,030 430 3,800 3,160 431 4,500 $11,120 7,710 $12,900 General use 911 1,470 $12,031 $14,370 Stine Company applies manufacturing overhead to jobs at an overhead rate of 70% of direct labor cost. Job No. 429 is completed during the month.