Please help me with B. Thank you!

Problem 8-6 (Part Level Submission) Martinez 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 1,800 $15 2/4 Purchase 2,800 22 2/20 Sale 3,300 37 4/2 Purchase 3,800 29 11/4 Sale 3,000 41 (a) Your answer is correct Calculate average-cost per unit. (Round answer to 4 decimal places, e.g. 2.7613.) 23.67 Average-cost per unit (b) Compute cost of goods sold, assuming Martinez 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