Which of the following statement is TRUE? O A. Increase in federal reserve funds rate is an example of diversifiable risk. OB. As you add stocks from different companies, we would expect total risk to go down because of a reduction of unsystematic risk. OC. Beta is a measure of unsystematic risk. OD. If you hold stock in a winter clothing company and want to reduce risk through diversification, you should add shares of stock from a snow boots company rather than from an ice cream company