15. Mason Industries restarted operations on September 1 after a 3 month shutdown. There were no beginning inventories. The following operations data are available for September and the one product the company refines: Beginning inventory Completed in September Ending work-in-process inventory (70% complete) Cost incurred in September were: Materials Labor Manufacturing overhead o- 450,000 5,000 560,400 64,300 242,350 All production at Mason is sold immediately. Required: (a) Compute cost of goods sold for September. (b) What is the value of the work-in-process inventory on September 30? Path