One unit A is composed of two units of B and three units C. Each B is composed of one unit of F. C is made of one unit of D, one unit of E, and two units of F. Items A,B,C and D have 20 , 50, 60, and 25 units of on- hand inventory. Items A,B,and C use lot-for- lot (L4L) as their lot-size technique , while D,E and F require multiple of 50,100, and 100 respectively, to be purchased. B has scheduled receipts of 30 units in Period 1. No other scheduled receipts exist. Lead times are one period for Items A, B, and D and two periods for Items C, E and F. Gross requirement for A are 20 units in Period 1, 20 units in Period 2, 60 units in Period 6 and 50 units in Period 8. Find the planned order releases for all items.