The stock of Business Adventurers sells for $30 a share. It likely dividend payout and end-of-year price depend on the state of the economy by the end of the year as follows. Calculate the expected holding-period return and standard deviation of the holding period return. All three scenarios are equally likely. Calculate the expected return and standard deviation a portfolio invested half in Business Adventures and half in Treasury bills. The return on bills is 4%. What is the complete portfolio's 99% confidence interval based on your calculation from b