Sydney Corporation uses a PERIODIC inventory system, and provides the following information related to its inventory during th month of April 2022. Compute the number of units on hand at the end of the month. Required: 1. Determine the cost assigned to ending inventory and to cost of goods sold using the FIFO method. 2. Determine the cost assigned to ending inventory and to cost of goods sold using the LIFO method. 3. Determine the cost assigned to ending inventory and to cost of goods sold using the average cost method. Dublin Corporation provides the following information related to its inventory during the month of October: October 1 Inventory on hand-3, 860 units; cost $6.80 each. October 9 Sold 2,469 units for $10.00 each. October 12 Purchased 1,206 units for $6,30 each. October 18 sold 1,690 units for $10.20 each. 0ctober 24 Purchased 1,480 units for $7,20 each. October 31 Inventory on hand Required: Using calculations based on a PERPETUAL inventory system, determine the inventory balance Dublin would report in its October 31 balance sheet and the cost of goods sold it would report in its October income statement using each of the following cost flow methods. 1. Determine the cost assigned to ending inventory and to cost of goods sold using the FIFO method. 2. Determine the cost assigned to ending inventory and to cost of goods sold using the LIFO method. 3. Compute the amount of gross profit under the two methods. Santorini Company has only one inventory pool. On December 31, Year 1 Santorini adopted the dollar-value LIFO inventory method. The inventory on that date using the dollar-value LIFO method was $300,000. Inventory data are as follows: Required: Compute the inventory at December 31 of each year, using the dollar-value LIFO method