Johnny Company uses the weighted-average method in its process costing system. The company adds materials at the beginning of the process in the Forming Department, which is the first of two stages of its production process. Information concerning the materials used in the Forming Department in April follows:

		Units	Materials Costs
	Work in process at April 1................	12,000	P6,000
	Units started during April................	100,000	P51,120
	Units completed and transferred to next department during April........	88,000

What was the materials cost of the work in process at April 30?