1. Burger co.'s materials purchase during 2001 are P25,590 and materials put into production are direct and indirect materials, respectively, worth P18,500 and P7,090. The total factory payroll is P74,000 of which P50,000 represents direct labor. Other factory overhead costs amount to P32,000. The company applies the actual factory overhead cost to process. Sales, cost of goods sold, and the cost of goods manufactured, respectively, are P130,000. P120,000, and P128,000.

By what amount did the company's closing goods in process inventory exceed its opening goods in process inventory?

1.