Stodes A and B have the following historcal return: a. Calculate the bvesage rate of retum for each stock during the period 2016 through 2020 . Round your answers to two decimal places: siockA Stok B b. Assume that someone held a portfolio consisting of 50% of shock A and so\% of stock B. What would the realued rate of return on the portfolio have been each year? Phound your answers to two decimal places, Negative yalues should be indicated by a mimus sign. What would the average return on the portiolio have been during this period? Round your answer to two decimal places. ev. Cakndate the sandard devaton of returns for each stock and for the portfolo. Round your answers to twa decimal places. d calcuate tow coemwaere of winaton lee each stock and for the porfolio. Acend your anwwers to twe decimat places