PLEASE HELP ASAP. i can not figure this out for the life of me

Specific identfication, FIFO, LFO, and Weighted-Average Swing Company's beginning inventory and purchases during the fitcal year ended Septnmber 30, 20-2, were as ahowh. Use the following information for the specofe identification methed. There are 1,300 units of inventary an hand on Sebtember 30,202. Or theie 1, 300 unts Mequiredi Calculate the total amount to be asuigned to cost of goods soid for the fical year ended September 30,202, and ending unventory on sieptember 30 , 202, under each of the following periodic inventery methest