Please Help, Cant seem to figure these two out

Novak Home Improvement Company installs replacement siding, windows, and louvered glass doors for single-family homes and condominium complexes. The company is in the process of preparing its annual financial statements for the fiscal year ended May 31, 2020. Jim Alcide, controller for Novak, has gathered the following data concerning inventory. At May 31, 2020, the balance in Novak's Raw Materials Inventory account was $416,160, and Allowance to Reduce Inventory to NRV had a credit balance of $27,760. Alcide summarized the relevant inventory cost and market data at May 31, 2020, in the schedule below. Alcide assigned Patricia Devereaux, an intern from a local college, the task of calculating the amount that should appear on Novak's May 31, 2020, financial statements for inventory under the LCNRV rule as applied to each item in inventory. Devereaux expressed concern over departing from the historical cost principle. Cost Sales Price Net Realizable Value $71,400 $65,280 87,720 95,880 Aluminum siding Cedar shake siding Louvered glass doors Thermal windows Total 114,240 $57,120 86,496 171,666 142,800 $458,082 190,128 157,896 $509,184 142,800 $416,160 (a) Determine the proper balance in Allowance to Reduce Inventory to NRV at May 31, 2020. Balance in the Allowance to Reduce Inventory to NRV $ e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Current Attempt in Progress X Your answer is incorrect. Concord Inc. uses the retail inventory method to estimate ending inventory for its monthly financial statements. The following data pertain to a single department for the month of October 2021. Inventory, October 1, 2021 At cost $52,400 78,000 253,960 419,300 17,000 At retail Purchases (exclusive of freight and returns) At cost At retail Freight-in Purchase returns At cost At retail Markups Markup cancellations Markdowns (net) Normal spoilage and breakage Sales revenue 5,600 7,800 9,100 2,100 3,500 9,800 383,700 (a) Using the conventional retail method, prepare a schedule computing estimated lower-of-cost-or-market inventory for October 31, 2021. (Round ratios for computational purposes to 0 decimal places, eg 78% and final answer to 0 decimal places, eg. 28,987.) Ending inventory at lower-of-cost-or-market $ 62564 e Textbook and Media Save for Later Attempts: 2 of 5 used Submit