Under Sassafras Corporation's job-costing system, manufacturing overhead is applied to work in process using a predetermined annual overhead rate. During August, Year 1, Sassafras's transactions included the following: (Click the icon to view the transactions.) Sassafras had neither beginning nor ending workinprocess inventory. What was the cost of jobs completed and transferred to finished goods in August 20X1? 1. $629,000 2. $641,000 3. $623,000 4. $611,000.