please help and show your work because im stuck

P. Morgan Asset Management publishes information about financial investments. Over the past 10 years, the expected return for the s\&p 500 wa 5.04% with a standard deviation of 19.45% and the expected return over that same period for a Core Bonds fund was 5.78% with a standard deviation of 2.13% (J. P. Morgan Asset Management, Guide to the Markets, 1 st Quarter, 2012). The publication also reported that the correiation between the s\&p 500 and Core Bonds is 0.32. You are considering portfolio investments that are composed of an Sip 500 index fund and a Core Bonds fund. a. Using the information provided, determine the covariance between the SAP 500 and Core Bonds. Round your answer to two decimal places: If. required enter negative values as negative numbers. b. Construct a portfollo that is 50% invested in an 58 p 500 index fund and 50% in a Core Bond fund. Round your answers to one decimal piace. r= In percentage terms, what is the expected return and standard deviation for such a portfollo? Round your answers to two decimat places. c. Construct a portfollo that 1820% invested in an 58500index fund and 80% invested in a corn pond fund Round your answers to one gecimal plince. c. Construct a portfolio that is 20% invested in an 5$5 500index fund and 80% invested in a Core bond fund. Round your oriswers to one deci place. r=(3+y In percentage terms, what is the expected retum and standard deviation for such a portfolio? Round your answers to two decimat places. Expected return Standard deviation % d. Construct a portfolio that is 80% invested in an S8P 500 index fund and 20% invested in a core bond fund. Round your answers to one decimat place. r=(3)x+ In percentage terms, whot is the expected return and standard deviation for such a portfolio? Round your answers to twis decimal piacei. Expected return Standard deviation (3) \% % Which of the portfolios in parts (b), (c), and (d) above has the largest expected return? Which has the smallest standard deviation? Which of these portfolios is the best investment alternative? 8 f. Discuss the advantages and disadvantages of investing in the three portfolios in parts (b), (c), and (d). The input in the box below will not be graded, but may be reviewed and considered by your instructor. Would you prefer investing all of your money in the S\&p 500 index, the core bond fund, or one of the 3 portfollos? Why? The input in the box below will not be graded, but may be reviewed and considered by your instructor