please show work

Date Transaction Quantity Price/Cost 1/1 Beginning inventory 3,000 $18 2/4 Purchase 4,000 27 2/20 Sale 4,500 44 4/2 Purchase 5,000 34 11/4 Sale 4,200 49 Compute cost of goods sold, assuming Oriole uses: (Round average cost per unit to 4 decimal places, eg. 2.7631 and final answers to o decimal places, eg. 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 $ (6) Perpetual system, moving-average cost flow