High-Tech, Inc. has the following information available from then inventory records A physical inventory count on December 31, 2015, shows 11, 400 units on hand Prepare schedules to compute the cost of goods sold and ending inventory at December 31, 2015. under each of, following inventory methods Periodic L1FO. (Be sure to calculate COGS and Ending Inventory, thou your work!) Perpetual FIFO. (Be sure to calculate COGS and Ending In ventory, show your work!) Periodic Average (Be sure to calculate COGS and Ending Inventory, show your work!)