With complete solution please and explanation.

Management of the New Fangled Soft drink Company believes that the probability of a customer purchasing Red Pop or the company's major competition, Super Cola, is based on the customer's most recent purchase. Suppose that the following transition probabilities are appropriate: To From Red Pop Super Cola Red Pop 09 0.1 Super Cola 0.1 0.9 a. Show the two-period tree diagram for a customer who last purchased Red Pop. b. What is the probability that this customer purchases Red Pop on the second purchase? c. What is the long-run market share for each of these two products? d. A Red Pop advertising campaign is being planned to increase the probability of attracting Super Cola customers. Management believes that the new campaign will increase to 0.15 the probability of a customer switching from Super Cola to Red Pop. What is the projected effect of the advertising campaign on the market shares