Customer accounts receivable at Smith Company are classified each month according to ``: Current 1 : 30_ Gill days past due 2 : Gill_ you days past due 3 : Over 90 days past duc Consider a particular customer account and suppose that it evolves month to month as a Markay chain It , I whose transition probability matrix is E 1 2 0| 0.9 0. 1 \\0.5 1 0. 5 I' = \\0.3 1 0 . 7 3| 0. 2 1 1 0.8 Suppose that a certain customer's account is now in state 1 : 301 60 days past due . What is the probability that this account will be paid ( and thereby enter state ! ! : Current ; before it becomes over 90 days past due ?" That is , let I _ min / n _ O` * A = Dor * = 31. Determine Pil* = 0|*0 = 11