show Excel ( show all work including formulars )

You are considering an investment in the stock market and have identified two potential stocks, they are Westpac Banking Corp. (ASX: WBC) and Singapore Airlines Ltd. (SGX: C6L). The historical prices for the past 10 years are shown in the table below.

in the table below.

Year	ASX: WBC	SGX: C6L
2009	23.70	13.82
2010	22.85	14.76
2011	21.01	11.1
2012	27.85	10.99
2013	30.66	9.59
2014	34.23	12.65
2015	30.85	11.03
2016	31.71	9.9
2017	30.96	11.31
2018	24.55	9.65

1. (5 marks) Which stocks would you prefer to own? Would everyone make the same choice? Explain your answer(s).

2. (8 marks) Calculate the correlation coefficient between the two stocks. Does it appear that a portfolio consisting of WBC and C6L would provide good diversification? Explain your answer(s).

3. (7 marks) Calculate the expected (annual) return if you owned a portfolio consisting of 50% in WBC and 50% in C6L. Would you prefer the portfolio to owning either of the stocks alone?