marks) (b) The mrp master production schedule for final-level item P over an eight week planning horizon is: Week 1 2 3 4 5 6 7 8 Demand 30 50 50 65 40 0 52 35 The indented Bill of Materials for P is shown below in Figure Q.B7-1. The manufacturing lead times for P and A are 1 and 2 weeks respectively There are currently 50 units of P on-hand. There are 160 units of A on-hand and a scheduled receipt in week 1 of 150 units. The setup cost for P and A is 250 and 100 respectively; the holding cost per unit per week for P is 4 and for A is 2. (i) Plan a manufacturing schedule for P and A using the Economic Time Cycle (ETC) batch sizing rule method for P and the lot-for-lot rule for A. Determine the total variable cost for P. (9 marks) (ii) What low level code should be assigned to C? Explain. (3 marks) P A(3) M(3) N(4) B(2) X(4) C(5) C(4) M(2) Figure Q.B7-1 You may use Fig Q.B7-2 in your answer. (Make sure you write your registration number and seat number on it and include it with your answer book.)