Murdock Industries uses a periodic inventory system and the LIFO retail method to estimate its ending inventories. The following data as been summarized for December 31, 2021 Inventory, January 1 Purchases Net narkups Net markdowns Net sales Required: Cost $118,000 328,680 Retail $167,000 541,000 15,400 9.600 524,000 Estimate the LIFO cost of ending inventory. Assume stable retail prices during the period. (Do not round your "Cost-to-retail percentage" and round your final answer to the nearest whole number.) Estimated ending inventory 4