Headland Company is a multi product firm. Presented below is Information concerning one of its products, the Hawkeye. Date Transaction Quantity Price/Cost 1/1 Beginning inventory 2,000 $15 2/4 Purchase 3,000 2/20 Sale 3,500 4/2 Purchase 4,000 11/4 Sale 3,200 23 Calculate average-cost per unit. (Round answer to 4 decimal places, e.g. 2.7613.) Average-cost per units LINK TO TEXT Compute cost of goods sold, assuming Head and uses: (Round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to a Cost of goods sold (a) Periodic system, FIFO cost flow (b) Perpetual system, FIFO cost flow (c) Periodic system, LIFO cost flow (d) Perpetual system, LIFO cost flow (@) Periodic system, weighted-average cost flow () Perpetual system, moving average cost flow