The stock of Business Adventures sells for $60 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: Dividend Stock price Boom $2.00 $73 Normal economy 1.50 63 Recession .70 59 Calculate the standard deviation of the holding-period return. All three scenarios are equally likely. (Do not round intermediate calculations. Round your answer to 4 decimal places) Standard deviation