Using the data in the following table, and the fact that the correlation of A and B is 0.47, calculate the volatility (standard deviation) of a portfolio that is 55% invested in stock A and 45% invested in stock B The return of stock A is %. (Round to two decimal places.) The return of stock B Is % (Round to two decimal places ) The variance of stock A Is (Round to five decimal places ) The variance of stock B is (Round to five decimal places.) The standard deviation of stock A Is %. (Round to two decimal places.) The standard deviation of stock B is %. (Round to two decimal places.) to five decimal places