1. You have been building a portfolio over time and wish to add one more security to increase diversity. You are trying to choose between security A and security B. Given the following, which one would you prefer and why?

   	a.	Investment A because it has the highest expected return.
   	b.	Investment A because it has the lowest relative risk.
   	c.	Investment B because it has the lowest absolute risk.
   	d.	Investment B because it has the lowest coefficient of variation.
   	e.	Investment A because it has the highest coefficient of variation.