A client who contacted CWD this past week has a maximum of $50,000 to invest. CWD's has two investment funds. The projected return for internet fund is 12% and Blue chip 9%. The investment advisior requires that at most $35,000 of the client's funds should be invested in the internet fund. Risk rate internet fund 6 per 1000 and Blue chip 4 per 1000. CWD recommends that a client who is a moderate investor limit his portfolio to a maximum risk of 240. Formulate a linear programming model that can be used to determine the recommended investment portfolio to maximize annual return.