REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, $103$ snowboards were sold. REl uses a periodic inventory system.

$\backslash$table$[[$Date$,$Explanation,Units,Unit Cost,Total Cost$],[$Sept$.1,$Inventory,$10,$$$111,$$$1,110$ b$)$ compute the cost of goods sold for the month using the fifo lifo and average cost methods