The stock of Busines5 Adventures sells for $40 a share. its likely dividend piyout and end-of-year price depend on the state of the economy by the end of the year as follows Required: 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 colculations. Round your onswers to 2 decimol ploces.) b. Calculate the expected return and standard devation of a portiolio invested half in Business Adventures and half in Treasury bills The return on bills is 5% (Do not round intermediate calculations. Round your answers to 2 decimal ploces.) b. Calculate the expected return and standard deviation of a portfolio invested half in Business Adventures and half in Treasury bilis. The return on bills is 5% (Do not round intermediate calculations. Round your answers to 2 decimal places.) The stock of Busines5 Adventures sells for $40 a share. its likely dividend piyout and end-of-year price depend on the state of the economy by the end of the year as follows Required: 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 colculations. Round your onswers to 2 decimol ploces.) b. Calculate the expected return and standard devation of a portiolio invested half in Business Adventures and half in Treasury bills The return on bills is 5% (Do not round intermediate calculations. Round your answers to 2 decimal ploces.) b. Calculate the expected return and standard deviation of a portfolio invested half in Business Adventures and half in Treasury bilis. The return on bills is 5% (Do not round intermediate calculations. Round your answers to 2 decimal places.)