I need detailed answer please

Problem 1: You have the following information for McHugh Inc. for the month ended October 31, 2019. Unit Cost or Date Description Units Selling Price Oct. 1 Beginning inventory 60 $25 Oct. 9 Purchase 120 26 Oct. 11 Sale 100 35 Oct. 17 Purchase 90 27 Oct. 22 Sale 60 40 Calculate (1) ending inventory, (ii) cost of goods sold under each of the following methods. (1) LIFO. Uses a perpetual method for inventory. (Extra point) (2) FIFO. Uses a periodic method for inventory (3) Average cost. Uses a periodic method for inventory