1. What is the expected return, variance, and standard deviation on a portfolio which is invested 60 percent in stock S and 40 percent in stock T? What is the expected risk premium on the portfolio if the expected T-bill rate is 3.0 percent?
2. Mary Ott is going to borrow $13,200 for 90 days and pay $172 interest.
What is the effective rate of interest if the loan is discounted? (Use a 360-day year. Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.)