Suppose Johnson 8 Johnson and Walgreen Boots Allance hwe expected returns and volatifies showa here, , with a correlation of 23%. Caltulate (a) the expecled retum and (b) Ehe volatility (standard deviation) of a portfolio that consists of a long position of $11,500 in Johnson 8 Johnson and a short position of $2,000 in Walgreens a. Calculate the expected return. The expected reburn is :. (Round to two docimal place) Suppose Johnson 8 Johnson and Walgreen Boots Allance have expected retums and volatities shown here, , with a correlation of 23%. Calculate (a) the expected retirn and (b) the volatiity (standard deviation) of a portfolio that consists of a long position of $11,500 in Johnson 8 Johnson and a short postion of $2.000 in Waigreens. a. Calculate the expectod return. The expocted roturn is K. (Round to two docimal place.) Data table (Cick on the following icon . in order to copy its contents inte a spreadsheet)