Solve these two questions: 2. Using the following returns, calculate the average return, the variance, the standard deviation, and the coefficient of variation for Jones stock. Year Jones 1 7% 2 14% 3 - 3% 3. At the beginning of the year you owned $3,000 of Dollenz stock, $11,000 of Torkelson stock, and $6,000 of Nesmith stock. During the year the three company's returns were -7.6 percent, 21.4 percent, and 14.8 percent respectively. What is your portfolio return?