the answer i have is correct, please just show how to get the answer along with the formula, thanks.

16. What is the risk premium for the following returns if the risk-free rate is 5%? only Final State Boom Good Recession Depression B. 0.100 Answer: (A ) Rp = Rm - Ri= Probability Return .15 .60 .50 .20 .25 -.10 10 -.30 C. 0.125 D. 0.135 E. None of these A. 0.085 17. What is the variance of the following returns? Final State Boom Good Recession Depression A. 0.0523 Answer:( ) E(r) = Probability .15 .50 .25 .10 C. 0.0835 Return .60 .20 -10 -.30 D. 0.1324 B. 0.0673 E. None of these Final 18. What is the expected portfolio return given the following information: Asset Portfolio weight Return A .25 15 B .25 20 .30 10 D .20 35 B.9.23% C. 18.75% D. 19.25% E. 21.15% A. 7.71% Answer: ( CE() =