three part question not in any specific order

Exercise 6-4 Flint Corporationuses a periodic inventory system. Its records show the following for the month of May, in which 79 units were sold Date Explanation Inventory Purchase Purchase Total Units Unit Cost Total Cost $9 $252 240 462 $954 May 1 28 15 10 42 94 Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory at May 31 Exercise 6-5 on December 1 Headlands Electronics has three DVD players left in stock. All are identical, all are priced to sell at $73. One of the three DVD players left n stock, with serial #1012, was purchased on June 1 at a cost of $45. Another with serial #1045, was purchased on November 1 for $41. The last player, serial #1056, was purchased on November 30 for s35. Calculate the cost of goods sold using the FIFO periodic inventory method, assuming that two of the three players were sold by the end of December, Headlands Electronics' year-end. The cost of goods sold using the FIFO If Headlands Electronics used the spedfic Identification method instead of the FIFO method, how might it alter its earnings by "selectively choosing" which particular players to sell to the two customers? What would Headlands Electronics' cost of goods sold be if the company wished to minimize earnings? Maximize earnings? Cost of goods sold would be $ if it wished to minimise the earnings Cost of goods sold would be $ if it wished to maximise the earnings. Exercise 6-3 Bridgeport Corp. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Bridgeport Corp.'s purchases of EZslide snowboards during September. During the same month, 101 EZslid were sold. Bridgeport Corp. uses a periodic inventory system Date Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Units Unit Cost Total Cost 13 46 53 19 131 $94 97 98 $ 1,222 4,462 5,194 1,881 $12,759 Totals (a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory at September 30 (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold