The following data is available for William Co. for the year ending December 31, 2020:

	January 1	December 31
Inventories
Materials	P 120,000	P 180,000
Work in Process	P 190,000	P 158,000
Finished Goods	P 102,000	P 130,000

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