please help! & make answers clear

\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline & Period: & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 3 \\ \hline \multirow{6}{*}{llem:AOH:20LT.1SS:0Q.L4L} & Gross requirements & & & & & & & & \\ \hline & Scheduled receipts & & & & & & & & \\ \hline & Projected avalable balance & & & & & & & & \\ \hline & Net requirements & & & 3 & & & & & \\ \hline & Planned onder receipts & & & - & - & & & & \\ \hline & Planned order releases & & & & + & & & & + \\ \hline \multirow{6}{*}{themBOH:50LT:1S5:0Q:LAL} & Gross requirements & & - & & & & & & \\ \hline & Scheduled receipts & & & & & & & & - \\ \hline & Projected avalable balance & & & - & _ & . & & - & \\ \hline & Net requirements & & & & - & & & & + \\ \hline & Planned order receipts & & & & . & & & & \\ \hline & Planned order releases & & & + & & & & & \\ \hline \multirow{6}{*}{tem:COH:30LT:2SS:0QLAL.} & Gross requirements & & & & & & & & \\ \hline & Scheduled receipts & & & & & & & & \\ \hline & Projected avalable balance & & & & & & & - & \\ \hline & Net requirements & & & & & & & - & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Planned ondet releases & & & & & & & & \\ \hline \multirow{6}{*}{themDOH:25LI:1SS:0Q:50} & Gross requirements & & & & & & & & \\ \hline & Scheduled receipts & & & & & & & & \\ \hline & Projected avalable balance: & & & & & & & & \\ \hline & Net requitements: & & & & & & & & \\ \hline & Planned oeder receipts & & & & & & & & \\ \hline & Planned order releases & & & & & & & & \\ \hline \multirow{6}{*}{liem:EOH:IT:2SS:9.100} & Gross requirements & & & & & & & & \\ \hline & Schediled receipts & & & & & & & & \\ \hline & Propecied avolatle bilance & & & & & + & & & \\ \hline & Net iequirements & & & & & & & & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Plannend onder reieases & & & & & & & & \\ \hline \multirow{6}{*}{hen.FOntoII255.09.10} & Gross requirments & & & & & & & & \\ \hline & Schoduled toceips: & & & & & & & & \\ \hline & Projected avalable baiance & & & & & & & & \\ \hline & Ner requirements & & & & & & & & \\ \hline & Planind onder treceripts & & & & & & & & \\ \hline & Plenned cider inleates & & & & & & & & \\ \hline \end{tabular} One unit of A is composed of two units of B and three units of 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 20,50,30, and 25 units of on hand inventory, respectively. Items A,B, and C use lot-for-lot (L4L) as their lot-sizing technique, while D, E, and F require muitiples of 50,100 , and 90 , respectively, to be purchased. B has. scheduled receipts of 20 units in Period 1 . No other scheduled receipts exist. Lead times ore one period for Items A, B, and D, and two periods for ltems C, E, and F. Gross requirements for A are 20 units in Period 1, 10 units in Period 2,55 units in Period 6, and 50 units in Period 8. Find the planned order releases for all items. Note: Leave the cells blank, whenever zero (0) is required