Assume that a customer shops at a local grocery store spending an average of $250 a week, resulting in the retailer earning a $45 profit each week from this customer. assuming the shopper visits the store all 52 weeks of the year calculate the customer lifetime value if this shopper remains loyal over a 10 year life-span also assume a 9 percent annual interest rate and no initial cost to acquire the customer this customer yields s per year in profits for this retailer (round to the nearest dollar )