Please answer and explain how to find the standard deviation of the portfolio pictured.

Assume a portfolio with weights of 0.60 in stocks and 0.40 in bonds. a. What is the rate of return on the portfolio in each scenario? b. What are the expected rate of return and standard deviation of the portfolio? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. What are the expected rate of return and standard deviation of the portfollo? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places