6. Please use FORMULA to calculate the expected return, standard deviation, and coefficient of variation (CV). Please show all your steps. Explain your CV. You can use financial calculator to double check your answers, but you do not need to show this step. Estimated returns in each scenario (Ri, i represents each scenario): boom economy: 20% (RI) normal: 10% (R2) recession: -5% (R3) Once the possible states of nature are projected, the investors/analyst must assign a probability or a chance of occurrence to each scenario (Pi, i represents each scenario): boom economy: 0.40 (P1) normal: 0.40 (P2) recession: 0.20 (P3)