answer both parts thank you

QUESTION 3 Use the following information: Stock Good state 12% Bad state 0% B 14% 3% Assume there is 60% probability that the good state occurs and 40% chance the bad stato occurs. What is the expected return of stock A? (Please use 5 decimal places, this should be written in percentage retum, so an answer of 23.143% should be written at 23143) QUESTION 4 Use the following information: Stock Good stale 10% Bad state 2% B 16% -2% Assume there is 60% probability that the good state occurs and 40% chance the bad state occurs. What is the standard deviation of stock A? (Please use 5 decimal places, this should be written in percentage. so an answer of 23.143% should be written as 23143)