San Lorenzo General Store uses a periodic inventory system and the retail inventory method to estimate ending inventory and cost of goods sold. The following data are available for the month of October 2021:

	Cost			Retail
Beginning inventory	$	55,000		$	70,000
Net purchases		16,400			33,600
Net markups					3,200
Net markdowns					1,800
Net sales					52,000

Required: Complete the table below to estimate the average cost of ending inventory and cost of goods sold for October using the information provided. (Round ratio calculation to 2 decimal places (i.e., 0.1234 should be entered as 12.34%.). Enter amounts to be deducted with a minus sign.)