c$.$ Why is the average unit cost not

is methods to perperual

$*$E$6\mathrm{.}18($LO $5)$ Information about Elsa's Boards is presented in E$6\mathrm{.}5.$ Additional data regarding Elsa's sales of Xpert snowboards are provided below. Assume that Elsa's uses a perpetual inventory system,

Instructions

a$.$ Compute ending inventory at September $30$ using FIFO, LIFO, and moving$-$average cost.

b$.$ Compare ending inventory using a perpetual inventory system to ending inventory using a periodic inventory system $($from E$6\mathrm{.}5).$

c$.$ Which inventory cost flow method $($FIFO$,$ LIFO$)$ gives the same ending inventory value under both periodic and perpetual? Which method gives different ending inventory values?