Stake Technology Inc. made purchases of a particular product in the current year as follows : Ending inventory consists of 190 units, specifically identified as follows : - 30 units from beginning inventory - 90 units from the January 31 purchase - 70 units from the September 9 purchase Assuming a periodic system, determine the costs to be assigned to cost of goods sold and ending inventory using the following systems : a. FIFO b. LIFO c. Weighted Average d. Specific Identification. Stake Technology Inc. made purchases of a particular product in the current year as follows : Ending inventory consists of 190 units, specifically identified as follows : - 30 units from beginning inventory - 90 units from the January 31 purchase - 70 units from the September 9 purchase Assuming a periodic system, determine the costs to be assigned to cost of goods sold and ending inventory using the following systems : a. FIFO b. LIFO c. Weighted Average d. Specific Identification