need help with the second chart

The partially completed inventory record for the rotor subassembly in the table below shows gross requirements, scheduled receipts, lead time, and current on-hand inventory. a. Complete the last three rows of the record for an FOQ of 140 units. (Enter your responses as integers. A response of "0" is equivalent to being not applicable.) Item: Rotor subassembly Lot Size: FOQ=140 units Lead Time: 2 weeks 1 3 5 6 Gross 60 50 75 75 requirements Scheduled 140 receipts Projected on-hand 100 40 130 inventory Planned 0 0 0 140 receipts Planned order 0 releases 140 140 140 20 2 10 90 0 0 4 40 0 Week 65 140 0 7 75 55 0 0 8 75 120 140 0 Corr b. Complete the last three rows of the record by using the L4L lot-sizing rule. (Enter your responses as integers. A response of "0" is equivalent to being not applicable.) Item: Rotor subassembly Lot Size: L4L Lead Time: 2 weeks 2 3 5 6 8 Gross 10 50 75 75 75 requirements Scheduled receipts Projected on-hand inventory Planned receipts 20 60 140 4 40 Week 4 7 75