Product P is formed by components A, B, and part C. Component A is formed by parts M and N. Component B is formed by parts C and D.
For the following bill of material, if we need to produce 19 units of finished product P, how many component C do we need? Assume there is no on-hand inventory.
P(19) A(5) B(5) C(4) M(4) N(2) C(3) D(4)