Suppose uohnson \& jotnson and the Walgreens Boots Allance have the expected rotums and volatilities shown here. Wh a correlation of 55%, For a portfolio that is equaly invested in a. The expectod roturn. b. The volatity (standard deviation). a. Calculate the expected retum. The expected rebum of the porticto is 16. (Round to two decimat places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.)