The stock of Business Adventures sells for $35 a share. Its likely dividend payout and end-of-year price depend on the state of the economy by the end of the year as follows: Boom Normal economy Recession Dividend $2.50 2.00 0.85 Stock Price $43 40 31 a. Calculate the expected holding-period return and standard deviation of the holding-period return. All three scenarios are equally likely. (Do not round Intermediate calculations. Round your answers to 2 decimal places.) Answer is complete but not entirely correct. 13.67 % Expected return Standard deviation 13.60 % b. Calculate the expected return and standard deviation of a portfolio invested half in Business Adventures and half In Treasury bills. The return on bills is 3%. (Do not round Intermediate calculations. Round your answers to 2 decimal places.) % Expected return Standard deviation %