The gross requirements and bills of material for parent X are given below. Complete the MRP records for parts X and Y. Quantities required are shown in brackets. What and when will be the planned order releases for Y ? Select one: a. 35 , 1.week; 160, 3.week b. 50,2. week; 80, 3.week c. 5, 2.week; 80, 3.week d. 25 , 1.week; 140, 3.week e. 5, 1.week; 80, 3.week f. 50 , 1.week; 80, 3.week