Problem 8: Four stores (A, B, C, and D) operate in zones 1 and 2. The number of customers in each zone, their average annual spending on breakfast pancakes, and their probability of visiting each store are given in the tables below. a) At store A, how much do customers from zones 1 and 2 spend annually on breakfast pancakes? b) At store D, how much do customers from zones 1 and 2 spend annually on breakfast pancakes