Portfolio Return: At the beginning of the month, you owned $4,000 of Company G,$2,000 of Company $, and $1,000 of Company N. The monthly returns for Company G, Company S, and Company N were 8.50 percent, -4.20 percent, and 0.90 percent. What is your portfolio return? 1.73% (B) 3.75% (C) 5.20% 6.19% Standard Deviation: Compute the standard deviation of the five monthly returns for IBM: 5.25 percent, -2.00 percent, 3.75 percent, 6.25 percent, and 3.25 percent 1.758% (B) 3.194% (C) 3,437% 2725% Investment Return: DirectEx Corp stock was $45.00 per share at the end of last year. Since then, it paid a $1.25 per share dividend last year. The stock price is currently $47.00. If you owned 1,000 shares of DirectEx, what was your percent return? 0.56% (B) 2.77% (C) 4.44% 7.22% Portfolio Return: Year-to-date, Company O had earned a -6.00 percent return. During the same time period, Company V earned 8.25 percent and Company M earned 1.28 percent. If you have a portfolio made up of 10 percent Company O,55 percent Company V, and 35 percent Company M, what is your portfolio return? 3.53% 4.39% 5.59% 15.53%