I need help knowing what numbers to use to solve the assumption questions 1,2,3

Inventory Records Widget Tek Inc.'s original accountant accepted a position with another firm and left in early March. You have been asked to review the subsidiary inventory ledger record for Widget Tek Inc's main product for March. Inventory Date Quantity Unit Cost Total Cost Mar. 1 850 $96 S63,300 1,275 $95 $121,125 Mar. 6 650 $96 S63,700 Mar. 11 325 $98 $31,850 Mar. 14 325 $96 $31,650 780 $103 Mar. 22 260 $96 S60,340 an $25,130 $25,180 $154,500 Mar. 25 260 1,500 HEON $96 $103 Study the inventory record for March and answer the questions that follow. 1. Assuming that the product sells for $165 and that 90% of sales are on account, determine the gross profit from sales for March 2. Making the same assumptions as in (1), determine the ending inventory cost for March. # 3. Which inventory method is being used? LIFO - Final Questions In conversation with the president of Widget Tek Inc., you have learned that much of the company's inventory consists of older Widget Tek Inc. models. These older models sell for less than the newer Widget Tek Inc. nedels, but customers strongly prefer the newer models. The company believes that the net realizable value of the older inventory is less than its value in the subsidiary inventory ledger Considering all of the information you have about Widget Tek Inc., answer the following questions. 1. To better account for the older inventory, the president or Widget Tek Ing, wonders whether the inventory should be valued using a different method. Do you agree, and why or why not? because 2. Will a change in Inventory method increase a company's net income an its financial statements? 3. When is inventory not valued at cost