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A retailer had a beginning merchandise inventory of $20,000, an ending merchandise inventory of $30,000, sales of $350,000, and a cost of goods sold of $200,000. The retailer's daily sales in inventory was: Select one: O a. 60.5 days O b. 41.9 days O c. 36.5 days O d. 54.8 days O e. 45.6 days