iiny i3 tle average unit cost not $6 [($5+$6+$7)3 $6]? E6-17 Information about Elsa's Boards is presented in E6-4. Additional data regarding Elsa's sales of Xpert snowboards are provided below. Assume that Elsa's uses a perpetual inventory system. Date Units Unit Price Total Revenue Sept. 5 Sale Sept. 16 Sale Sept. 29 Sale 12 50 59 121 $199 199 209 2,388 9,950 12,331 $24,669 Totals Instructions Compute ending inventory at September 30 using FIFO, LIFO, and moving-average cost Compare ending inventory using a perpetual inventory system to ending inventory using a periodic inventory system (from E6-4). (c) Which inventory c ost flow method (FIFO, LIFO) gives the same ending inventory value under both periodic and perpetual? Which method gives different ending inven- tory values? e following information for November a nd iiny i3 tle average unit cost not $6 [($5+$6+$7)3 $6]? E6-17 Information about Elsa's Boards is presented in E6-4. Additional data regarding Elsa's sales of Xpert snowboards are provided below. Assume that Elsa's uses a perpetual inventory system. Date Units Unit Price Total Revenue Sept. 5 Sale Sept. 16 Sale Sept. 29 Sale 12 50 59 121 $199 199 209 2,388 9,950 12,331 $24,669 Totals Instructions Compute ending inventory at September 30 using FIFO, LIFO, and moving-average cost Compare ending inventory using a perpetual inventory system to ending inventory using a periodic inventory system (from E6-4). (c) Which inventory c ost flow method (FIFO, LIFO) gives the same ending inventory value under both periodic and perpetual? Which method gives different ending inven- tory values? e following information for November a nd