Bramble Back Falls Ltd. uses the perpetual inventory system. Calculate Bramble Back's cost of goods sold, gross margin, and ending inventory for the month of February using weightedaverage. (Round calculations for cost per unit to 2 decimal places, e.8. 10.52 and final answers to 0 decimal places, e.8. 61,052.1 Cost of goods sold $ The following information relates to Bramble Back Falls Ltd's inventory transactions during the month of February. All of the units sold were priced at $87.00 per unit