Cullumber Snowboards sells an ultra-lightweight snowboard that is considered to be one of the best on the market. Information follows for Cullumber's purchases and sales of the ultra-lightweight snowboard in October: Calculate the cost of goods sold and the ending inventory using FIFO and weighted average, assuming Cullumber uses a perpefual. irventory system, (Round the weighted average cost per unit and final answers to 2 decimal places, e9, 5,265.25.)