Help with both parts

Rate of Retumi Ii Slafe Occurs Probability of State of conom 21 51 28 State o Stock B Economy Recession Normal Boom Stock A 09 .12 17 16 13 .30 Calculate the expected return for each stock. (Do not round intermediate calculations. Enter y answers as a percent rounded to 2 decimal places, e.g, 32.16.) Stock A Stock B Calculate the standard deviation for each stock. (Do not round intermediate calculations. Enter y answers as a percent rounded to 2 decimal places, e.g. 32.16.) Standard deviation Stock A Stock B