Lukes Lubricants starts business on January 1. The following operations data are available for January for the one lubricant it produces. Gallons Beginning inventory 0 Started in January 155,000 Ending work-in-process inventory (70% complete) 13,000 Costs incurred in January follow. Materials $ 241,975 Labor 22,000 Manufacturing overhead 76,000 All production at Lukes is sold as it is produced (there are no finished goods inventories). Required: a. Compute cost of goods sold for January. (Do not round intermediate calculations.) b. What is the value of work-in-process inventory on January 31? (Do not round intermediate calculations.)