Predetermined Overhead Rate, Application of Overhead to Jobs, Job Cost, Unit Cost On August 1, Cairle Company's work-in-process inventory consisted of three jobs with the following costs: During August, four more jobs were started. Information on costs added to the seven jobs during the month is as follow: Before the end of August, Jobs 70,72,73, and 75 were completed. On August 31 , Jobs 72 and 75 were sold. Required: 1. Calculate the predetermined overhead rate based on direct labor cost. % of direct labor cost. 2. Calculate the ending balance for each job as of August 31. 2. Calculate the ending balance for each job as of August 31 . 3. Calculate the ending balance of Work in Process as of August 31 . x 4. Calculate the cost of goods sold for August. \$ x 5. Assuming that Cairle prices its jobs at cost plus 10 percent, calculate Cairle's sales revenue for August. X