can anyone help me solve this?

Current Attempt in Progress * Your answer is incorrect. Using the inventory records completed, calculate the average inventory level of AB501, AB511. AB521. Assume that the remaining inventory after the gross requirements are satisfied, is used in another production cycle. Product: AB501 Lead Usage Factor: 2 Lot Size Rule: L4L Beginning Invertory: 2.200 Time(weeks): 2 Week 1 2 3 4 4 5 ANG 7 8 GO 9 10 Gross Requirements 440 880 440 880 440 880 440 880 0 0 Scheduled Receipts 0 0 0 440 440 880 440 880 0 0 0 0 Projected Available 2,200 1,760 880 440 0 0 0 0 0 0 0 0 Planned Orders 0 440 440 880 440 880 0 0 0 Product: AB511 Lead Usage Factor: 1 Lot Size Rule: FOQ-660 Beginning Invertory: 1,430 Time(weeks): 3 Week 1 2 3 4 5 6 7 8 9 10 Gross Requirements 220 440 220 440 220 440 220 440 0 O Scheduled Receipts 0 0 0 0 660 0 660 0 0 0 Projected Available 1,430 1,210 770 550 110 550 110 550 110 0 o Planned Orders 0 0 660 o 660 0 0 o 0 0 Product: AB521 Lead Usage Factor: 2 Lot Size Rule: POQ-2 Beginning Invertory: 1,430 Timelweeks): 2 Week 1 2 3 5 6 7 8 2 9 10 Product: AB521 Lead Usage Factor: 2 Beginning Invertory: 1,430 Lot Size Rule: POQ-2 Timelweeks): 2 Week 1 2 2 3 4 5 6 7 8 BD 9 10 440 880 440 880 440 880 440 880 0 0 Gross Requirements Scheduled Receipts 0 0 0 0 1.210 0 1,320 1320 0 0 0 0 Projected Available 1.430 990 110 880 0 880 880 0 0 . 0 Planned Orders 1.210 0 1,320 0 1320 0 0 0 0 0 220 units Average Inventory for ABS01 - Average Inventory for ABS11 286 units Average Inventory for AB521- 319 units e Textbook and Media