Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers shopped at the store. The results are shown in the bar chart below. What proportion of the customers responded that they shopped at the store because of the merchandise or the convenience? Prices Merchandise Convenience 15% Other 15% 20% 50% 0% 10% 20% 30% 40% 50% 60% Response