Beginning Inventory $2,400$ units@$$36$ eachUsing the facts from Problem #$13,$ please calculate the COGS and EI using theUsing the following information calculate the Cost of Goods Sold $($COGS$)$ and Ending Inventory $($EI$)$ using the "FIFO Periodic$/$Perpetual$"$ method.

Beginning Inventory $2,400$ units@$$36$each

Jan $5^{th}$ Sold $2,000$ units

Jan ${10}^{th}$ Purchased $4,000$ units @$40$

Jan ${15}^{th}$ Sold $3,500$ units

Jan $20$ th Purchased $2,000$ units @$$45$

Extra Credit: Using the information in Problem #$13,$ calculate the COGS and EI usi the "Weighted Average, Periodic Method".

$14.$ Using the facts from Problem #$13,$ please calculate the COGS and EI using the "LIFO Periodic" method.

$15.$ Using the facts from Problem #$13,$ please calculate the COGS and EI using the "LIFO Perpetual" method. Note: This method requires a little more thought but is more in line with the actual events, in chronological order.

"LIFO Periodic" method.

Jan $5^{th}$ Sold $2,000$ units

Jan ${10}^{th}$ Purchased $4,000$ units @$40$

Jan ${15}^{th}$ Sold $3,500$ units

Jan $20$ th Purchased $2,000$ units @ $$45$