Question: At the end of a month, a large retail store classifies each of its customer's accounts according to current (0), 30-60 days overdue
(1) 60-90 days overdue
(2) more than 90 days
(3) Their experience indicates that the accounts move from state to state according to a Markov chain with transition probability matrix:
In the long run what fraction of the accounts are in each category?