Metlock Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Date Transaction 1/1 Beginning inventory 2/4 Purchase 2/20 Sale 4/2 Purchase 11/4 Sale Quantity Price/Cost 2,000 3,000 3,500 4,000 3,200 Calculate average-cost per unit. (Round answer to 4 decimal places, e.g. 2.7613.) Average-cost per unit $ e Textbook and Media Compute cost of goods sold, assuming Metlock uses: (Round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to 0 decimal places, e.g. 6,548.) 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 (e) Periodic system, weighted average cost flow $ (f) Perpetual system, moving-average cost flow $