I need help with this MRP problem

A D D E F G H J L M N 0 P R S T T U U V W 1 2 Period 6 7 3 4 5 Gross Requirements Planned Order Receipts Available Balance Planned Order Release 8 15 5 0 10 9 23 25 2 10 10 12 10 0 5 11 6 10 4 12 7 5 2 10 10 10 10 10 10 10 10 5 25 Period 6 6 7 1 2 3 3 4 5 8 9 10 11 12 Gross Requirements Planned Order Receipts Available Balance Planned Order Release Period 6 7 7 1 2 3 4 5 8 9 10 11 12 Gross Requirements Planned Order Receipts Available Balance Planned Order Release 1 2 3 3 Period 6 7 4 5 8 8 9 10 11 12 1 2 Lot Lead On Item 3 size Time Hand ID 4 5 2 A 5 6 7 8 Lot Lead On Item 9 size Time Hand ID 10 25 2 3 B 11 12 13 14 Lot Lead On Item 15 size Time Hand ID 16 17 18 19 20 Lot Lead On Item 21 Size Time Hand ID 22 D 23 24 25 26 Lot Lead On Item 27 size Time Hand ID 28 E 29 30 31 32 Lot Lead On Item 33 size Time Hand ID 34 F 35 36 37 38 Lot Lead On Item 39 size Time Hand ID 40 G 41 42 43 44 45 The overall lead time is: 46 47 48 49 Gross Requirements Planned Order Receipts Available Balance Planned Order Release Period 6 7 1 2 2 3 4 5 5 8 9 10 11 12 Gross Requirements Planned Order Receipts Available Balance Planned Order Release 1 1 Period 6 7 2 3 3 4 5 8 9 10 11 12 Gross Requirements Planned Order Receipts Available Balance Planned Order Release 1 1 Period 6 7 7 2 2 3 4 5 8 9 10 11 12 Gross Requirements Planned Order Receipts Available Balance Planned Order Release periods Homework Material Requirements Planning Use the following data and the MRP Worksheet.xlsx file. Gross Requirements for Product A: Period 8 15 9 23 10 12 11 6 12 7 Inventory Information: Item On-Hand Lot Size (period) A B D E F G 10 3 0 17 12 15 0 Lead Time (period) 2 2 3 2. 2 1 1 5 25 L-f-L 25 50 12 100 Product Structure: A V C(1) B(2) D(2) E(3) D(1) F(2) G(2) The numbers in parenthesis indicate how many are needed. For example, you need 2 part Bs to make 1 A