A job cost sheet of Swifty Company is given below. Job Cost Sheet JOB NO. 469 Quantity 2,000 ITEM White Lion Cages Date Requested 7/2 FOR Todd Company Date Completed 7/31 Date Direct Materials Direct Labor Manufacturing Overhead 7/10 700 12 900 15 600 720 22 400 480 24 1,680 27 1,520 31 700 840 Cost of completed job: Direct materials Direct labor Manufacturing overhead Total cost Unit cost Answer the following questions. (1) What are the source documents for direct materials, direct labor, and manufacturing overhead costs assigned to this job