The following is a description of the MRP structure: A is the final item and the production facility needs to produce 300 units of A. A requires 3 of B and 4 of C. B requires 4 of D. C requires 3 of D and 3 of E. The currents items in stock are given below. A= 40 units, B = 20 units, C = 50 units, D = 0 units, and E = 10 units. Calculate the net requirements of A, B,C,D, and E. Answer: Given that the production facility needs to produce 300 units of A, and A requires 3 units of B and 4 units of C, we can calculate the net requirements for B and C.