way of applying what she has leamed in business school. Specficaly, she is evaluating an imestrinent in a portlolio comprised of two fims' commion stock She has colected the following information about the consmon stock of Firm A and Frm B: a. If Mary imests harr her money in each of the two comenon stocks. What is the portiolo's expected rate of iefum and atandard doviation in pertfolo retum? b. Answer part a whee the correlation between the two common stock eivestments is equal lo zero c. Answer part a where the conelabien between the tho common stock itrvestruents is equal to +1. d. Antwer pait a whees the conelation between the two commen stixk investnents is eesal to - 1 ponffolo is k. (Round to two decimal places) (Click on the icon p in order to copy its contents into a spreadsheet)