The following information is available for the past month for a retail store: Sales $105,000 Markups $10,000 Markdowns $8,000 Purchases (at cost) $38.800 Purchases (at retail) $107.000 Beginning inventory (at cost) $33.000 Beginning inventory (at retail) $48.000 What is the ending inventory at cost using the basic retail method? (Round cost-to- retail ratios to four decimal places.) $52,000 $28,220 $15,000 $23.780