The following data are available for Justine Corporation for the year ending December 31, 2009:

January 1 December 31

Inventories

Materials P120, 000 P180, 000

Work in Process P190, 000 P158, 000

Finished Goods P102, 000 P130, 000

Direct Labor cost P300, 000

Materials purchased P380, 000

Factory overhead applied- at 150% of direct labor cost

1. Direct materials used
2. Total manufacturing cost
3. Cost of goods manufactured
4. Cost of goods sold