just complete part b please and explain thank you

REl sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 110 snowboards were sold. REl uses a periodic inventory system. Compute the ending imventory at September 30 using FIFO, LIFO, and average-cost. (Riound overage cost per unit to 3 decimai placex es. 125.153 and final answers to 0 decimal places. es. 125] (b) Compute the cost of goods sold for the month using the FFO,LFO, and average-cost methods. (hound awroge cost per unit to 3 decimal places, es. 125.153 and final answers to 0 decimal places. es 125