Brenda has an associate’s degree earning the median salary. she wants to quit working and go to college to get just a basic bachelor’s degree. if she completes her degree in 2 years and it costs $15,000, how long will it take her to recover her investment assuming that she earns the median salary?

The returns on the common stock of maynard cosmetic specialties are quite cyclical. in a boom economy, the stock is expected to return 22 percent in comparison to 9 percent in a normal economy and a negative 14 percent in a recessionary period. the probability of a recession is 35 percent while the probability of a boom is 10 percent. what is the standard deviation of the returns on this stock?