You are given two risky assets. The first is a stock fund and the second is a bond fund. A T-bill fund yields a rate of 5%. The T-bill fund is a risk-free asset. The stock fund has an expected return of 23% and a standard deviation of 33%. The bond fund has an expected return of 10% and a standard deviation of 8%. The correlation between the risky fund returns is 2%. If an investor requires the complete portfolio to return 17%, what is the portfolio weight of the optimal risky portfolio in the complete portfolio

T-comm makes a variety of products. it is organized in two divisions, north and south. the managers for each division are paid, in part, based on the financial performance of their divisions. the south division normally sells to outside customers but, on occasion, also sells to the north division. when it does, corporate policy states that the price must be cost plus 20 percent to ensure a "fair" return to the selling division. south received an order from north for 300 units. south's planned output for the year had been 1,200 units before north's order. south's capacity is 1,500 units per year. the costs for producing those 1,200 units follow