Question 3 1 pts When a retailer can match up what they paid for each item in their inventory (i.e., the retailer's cost of goods sold) with the transactions from their customers using loyalty cards, this allows the retailer to determine O which customers are spending the most money O which products are purchased most frequently O the profitability of the transactions of those customers O the segments that have the highest transaction totals Question 4 1 pts and expensive than obtaining Obtaining secondary data is typically. primary data. O faster; more O slower; more O faster; less O slower; less