A retailer wants to display a very large advertisement banner for an upcoming $"70\%$ off" sale, in front of its store in a shopping mall, and also in front of the mall near the parking lot The retailer should be careful with regards to: Zoning regulations Building codes Visibility rules Anti$-$competition laws An analysis of customer lifetime value $($CLV$)$ can help a retailer: Identify how much a customer contributes to the retailer's profits over the long$-$run Identify exactly when customers purchase certain types of goods, to help the retailer better forecast demand Identify why customers chose to shop at the retailer, with survey data O A warehouse where a retailer's employees analyze data and make recommendations A database that includes customers' purchase data based on point$-$of$-$sale data O A database that includes customers' purchase data based on interviews