Product P is formed by components A and B. Component A is formed by parts F and G. Component B is formed by parts G and H.

The inventory count is as follows.

Product P: 6 units.

Component A: 6 units.

Component B: 5 units.

Part H: 7 units.

Part F: 9 units.

For the following bill of material, if we need to produce 20 units of finished product P, how many units of Part F is required?

		P
	A(2)		B(3)
F(3)	G(2)		G(1)	H(3)