I have created one Time phased planning scenario in test system.Below details i have maintained into master data: MRP type : R1,Planning calender, delivery cycle,Lot size: EX and forecast for last 10 months as 100 PC each month. After running forecast,i got forecast values as 100 PC for each month from April-Dec. Now,after running MRP why i am getting Pur. Req for only 75 pc for april month? why i didnt get Pur. Req. for 100 PC as shown in forecast result??