A pension fund is considering three mutual funds. The first is a stock fund, the second is a bond fund, and the third is a short-term Treasury fund yielding 1%. The distributions of the risky funds are: Expected Return Standard Deviation Stock Fund (S) 10% 25% Bond Fund (B) 5% 12% The correlation between the fund returns is 0.2. Find the weights on stocks (ws) and bonds (wb) associated with the optimal tangency portfolio.

"in my opinion, we ought to stop making our own drums and accept that outside supplier's offer," said wim niewindt, managing director of antilles refining, n.v., of aruba. "at a price of $21 per drum, we would be paying $4.70 less than it costs us to manufacture the drums in our own plant. since we use 70,000 drums a year, that would be an annual cost savings of $329,000." antilles refining's current cost to manufacture one drum is given below (based on 70,000 drums per year):

You are evaluating two different silicon wafer milling machines. the techron i costs $285,000, has a three-year life, and has pretax operating costs of $78,000 per year. the techron ii costs $495,000, has a five-year life, and has pretax operating costs of $45,000 per year. for both milling machines, use straight-line depreciation to zero over the project’s life and assume a salvage value of $55,000. if your tax rate is 24 percent and your discount rate is 11 percent, compute the eac for both machines.

Alocal barnes and noble bookstore ordered 80 marketing books but received 60 books. what percent of the order was missing?