From the following, calculate the cost ratio and the cost of ending inventory to the nearest cent under the retail method. (Round the "cost ratio" to the nearest hundredth percent. Round the cost of ending inventory" to the nearest cent.) Net sales at retail for year Beginning inventory-cost Beginning inventory-retail Purchases-cost Purchases-retail $39,000 $26,000 $48,000 $13,800 $18,800 Cost Retail Beginning inventory Not purchases Cost of goods available for sale Less net sales af retail Ending inventory at retall Costato Ending inventory at cost