Please help me with this A.S.A.P.

Question 1 TRANSACTIONS DURING JULY 2020 Quantity Unit Units Total Market value Cost Cost per unit on $ date of transactions $ Opening balances, 1 July 300 $ 6.00 1,800 Receipts, 3 July 1,200 6.30 7,560 6.33 Issues, 4 July 600 6.33 Receipts 9 July 900 6.36 5,724 6.45 Issues, 11 July 1,200 6.60 Receipts, 18 July 300 7..20 2,160 7.05 Issues, 20 July 300 7.05 Closing balance, 30 July 600 7.14 17,244 Using FIFO, LIFO, Cumulative Weighted Average and Periodic weighted average, calculate the cost of issues and the closing inventory value