Two competing companies(A,B) offer network service to a population of 131533 consumers. During any month, company A consumer has a 20% probability of switching to company B and a 5% probability of not using service of either company. A consumer of company B has a 15% probability of switching to company A and a 10% probability of not using service. A nonuser has a 15% probability of purchasing company B and 10% using service of A. How many people will be in each group after 3 months? Knowing that at this month, there are 16670 subscribers of A, 50132 subscribers of B.