multiple choice question I just want to answer a, b, c, d Pllz Faaast help

9 The risk of this investment is defined to be the return on the portfolio KVAO the expected return of the random variable of the return on the portfolio KV Bo the variance of the random variable of the return on the portfolio KV CO the standard deviation of the random variable of the return on the portfolio KVDO 12 If the rehim on the portfolio Ky is equal to 0.16 if stock goes up and 0.04 if stock goes down, then the variance on the portfolio Ky is equal to 0.16 AO 0,0430 06 0.08 0 20-12 9 The risk of this investment is defined to be the return on the portfolio KVAO the expected return of the random variable of the return on the portfolio KV Bo the variance of the random variable of the return on the portfolio KV CO the standard deviation of the random variable of the return on the portfolio KVDO 12 If the rehim on the portfolio Ky is equal to 0.16 if stock goes up and 0.04 if stock goes down, then the variance on the portfolio Ky is equal to 0.16 AO 0,0430 06 0.08 0 20-12