4 a Master Schedule E Week Beg Inv Quantity LT = wks 80 Beg Inv Gross requirements 80 Scheduled receipts Projected on hand Net requirements 80 Planned-order receipts 80 Planned-order releases B(2) LT = wks 80 Beg Inv Gross requirements 20 20 160 Scheduled receipts Projected on hand 60 60 60 60 60 Net requirements 100 Planned-order receipts 120 Planned-order releases J(4) & J(3) LT = wk 120 Beg Inv Gross requirements 480 Scheduled receipts Projected on hand 20 20 20 240 30 30 30 50 80 50 Net requirements 460 160 Planned-order receipts 480 180 Planned-order releases 480 180 50 b Master Schedule E Week Beg Inv Quantity LT = wks 70 Beg Inv Gross requirements 70 Scheduled receipts Projected on hand Net requirements 70 Planned-order receipts 70 Planned-order releases B(2) LT = wks 70 Beg Inv Gross requirements 40 40 140 Scheduled receipts Projected on hand 60 60 60 60 Net requirements 80 Planned-order receipts 120 Planned-order releases J(4) & J(3) LT = wk 120 Beg Inv Gross requirements 480 Scheduled receipts Projected on hand 60 20 20 20 210 30 30 30 50 80 80 Net requirements 460 130 Planned-order receipts 480 180 Planned-order releases 480 180 There will be an additional 20 units of B and 30 units of J 80 a Product Structure Tree P K 3G L 4H W 2M 2N Beg Inv 3Z c Weeks 100 100 100 100 Net requirements 100 100 Planned-order receipts 100 100 Master Schedule d P Quantity LT = wk Beg Inv Gross requirements Scheduled receipts Projected on hand Planned-order releases K LT = wk Beg Inv Gross requirements Scheduled receipts 10 Projected on hand 10 100 100 100 100 30 10 10 Net requirements 90 70 Planned-order receipts 90 70 Planned-order releases G(3) LT = wk Beg Inv Gross requirements 90 70 270 210 Scheduled receipts Projected on hand 40 40 40 40 Net requirements 230 210 Planned-order receipts 253 231 Planned-order releases 253 231 7 H(4) LT = wk Beg Inv 360 280 200 40 Net requirements 160 240 Planned-order receipts 200 240 Gross requirements Scheduled receipts Projected on hand Planned-order releases 200 200 200 200 240 ... Projected on hand 60 60 60 60 Net requirements 80 Planned-order receipts 120 Planned-order releases J(4) & J(3) LT = wk 120 Beg Inv Gross requirements 480 Scheduled receipts Projected on hand