1. Company XYZ had the following transactions for the month: Beginning Inventory Purchasex! March 31 Purchased October 20 Total Goods Available for Sale Ending Inventory Number of Units 140 150 130 420 50 Cost (5) 1,400 1,800 1,950 Calculate the gross margin for the period for each of the following cost allocation methoxls. Assume that all units were sold for $25 each. Provide your calculations. A) First-in, first-out (FIFO). B) B Last-in. first-out (LIFO). C) Weighted average (AVG)