You are considering investing $1,000 in a complete portfolio and expecting a 9% return from it. The complete portfolio is composed of a Treasury bill that pay 5% and a risky asset X. Asset X has a 30% chance of earning a 30% rate of return, a 50% chance of earning a 20% rate of return, and a 20% chance of losing 10%. Required: (4*2.5 = 10pts) A. What is the expected return on X? B. What is the standard deviation of X? C. Given the 9% portfolio expected return, calculate the weight of the Treasury bill and security X. D. What is the standard deviation of the complete portfolio?