Just need help with the customer lifetime value please.

Assume that a customer shops at a local grocery store spending an average of $150 a week, resulting in the retailer earning a $40 profit each week from this custome 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 assum a 8 percent annual interest rate and no initial cost to acquire the customer. This customer yields $ 2080 per year in profits for this retailer. (Round to the nearest dollar.) The customer lifetime is $(Round to the nearest dollar.)