A job cost sheet of Sandoval Company is given below. Answer the following questions. (1) What are the source documents for direct materials, direct labor, and manufacturing overhead costs assigned to this job? (2) Overhead is applied on the basis of direct labor cost. What is the predetermined manufacturing overhead rate? Predetermined manufacturing overhead rate % (3) What are the total cost and the unit cost of the completed job? (Round unit cost to 2 decimal places, e.g. 1.25.) Total cost of the completed job $ Unit cost of the completed job $ Prepare the entry to record the completion of the job. (Credit account titles are automatically indented when amount is entered. Do not indent manually.)