Problem 11-24 Analyzing a Portfolio You have $116,000 to invest in a portfolio containing Stock X and Stock Y. Your goal is to create a portfolio that has an expected return of 17.8 percent. Stock X has an expected return of 13.4 percent and a beta of 1.30, and Stock Y has an expected return of 7.9 percent and a beta of 80 . a. How much money will you invest in Stock Y? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) b. What is the beta of your portfolio? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.)