can you help me solve this problem, step-by-step, and some tips on how to solve this problem better and get the correct answers?

1: what would be the lower of cost or NPV?

2:

E7-12 (Algo) Reporting Inventory at Lower of Cost or Net Realizable Value LO7-4 H.T. Tan Company is preparing the annual financlal statements dated December 31 of the current year. Ending inventory informationabout the five major items stocked for regular sale follows: Required: Compute the valuation that should be used for the current year ending inventory using lower of cost or net realizable value applied on an item-by-ltem basis. Answer is complete hut not antiralu ...n... Compute the valuation that should be used for the current year ending inventory using lower of cost or net realizable value applied on an item-by-ltem basis. E7-6 (Algo) Calculating Ending Inventory and Cost of Goods Sold Under FIFO, LIFO, and Average Cost L07.2 Hamiton Company uses a periodic inventory system. At the end of the annual accounting period, December 31 of the current year, the accounting records provided the following information for product 1 ; Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. Note: Round "Averoge cost per unit" to 4 decimal places and final answers to nearest whole dollar amount