I want to configure credit mangement for my customers.The business goes like this if the credit limit limit of my customer is Rs10,00,000/-,if he is invoiced for Rs 1,00,000/- and there are no other open items.And if the payment term is 15 days.After 16 days if customer have not cleared his due of Rs 1 lakh,the system should allow the customer to book any order.Pls tell me how to configure it