The marketing of interest rate will inevitably bring the commercial Banks the risk of option, fixing the price again, credit, market competition and the morality of operation.
On the gross income and the way of fixing the price in factory, we design the model depending on the theory of optimization and so we can quickly make the price.
In some quiet spot he could take his time over fixing the price, and sometimes he would just say, "Get in, and pay what you please!"
