Hello. I have uploaded the excel sheet but cannot attach it here. I am working question below on excel. Please let me have your suggestions for part (a) and also i want to check my answers for the rest of the questions. Thank you for your help

1. You are planning to invest in the following stocks: find below a table with their respective Share Prices for the period 2010-2015

Shares prices

Date Rio Apple Pacific

Jan-2010 68.00 27.44 12.80

Feb-2010 70.50 29.23 14.42

Mar-2010 78.40 33.57 16.36

Apr-2010 72.10 37.30 16.44

May-2010 67.14 36.70 15.42

Jun-2010 66.66 35.93 15.50

Jul-2010 70.61 36.75 17.30

Aug-2010 70.09 34.73 19.18

Sep-2010 76.77 40.54 21.05

Oct-2010 82.69 43.00 20.85

Nov-2010 82.21 44.45 22.65

Dec-2010 85.47 46.08 21.45

Jan-2011 84.05 48.47 19.64

Feb-2011 84.93 50.46 18.10

Mar-2011 84.75 49.79 18.64

Apr-2011 82.21 50.02 19.38

May-2011 81.50 49.69 18.64

Jun-2011 82.99 47.95 18.02

Jul-2011 80.00 55.78 18.06

Aug-2011 72.52 54.98 15.68

Sep-2011 61.80 54.47 12.80

Oct-2011 69.21 57.83 14.30

Nov-2011 62.95 54.60 13.56

Dec-2011 60.30 57.86 13.32

Jan-2012 69.16 65.21 15.36

Feb-2012 67.45 77.49 15.40

Mar-2012 65.40 85.65 14.38

Apr-2012 66.35 83.43 13.16

May-2012 56.86 82.53 11.98

Jun-2012 56.50 83.43 12.46

Jul-2012 53.20 87.25 12.84

Aug-2012 49.24 95.03 12.64

Sep-2012 53.36 95.30 12.62

Oct-2012 56.94 85.05 14.04

Nov-2012 58.75 83.61 13.62

Dec-2012 66.01 76.02 14.22

Jan-2013 66.36 65.07 15.06

Feb-2013 67.05 63.06 14.48

Mar-2013 57.20 63.24 13.28

Apr-2013 55.80 63.25 13.64

May-2013 55.18 64.25 14.48

Jun-2013 52.37 56.65 13.56

Jul-2013 57.51 64.65 14.36

Aug-2013 58.30 69.60 13.30

Sep-2013 61.74 68.11 15.20

Oct-2013 63.99 74.67 15.38

Nov-2013 66.06 79.44 16.42

Dec-2013 68.18 80.15 16.40

Jan-2014 65.64 71.51 16.10

Feb-2014 66.84 75.18 15.80

Mar-2014 63.55 76.68 14.46

Apr-2014 61.70 84.30 14.64

May-2014 59.30 90.43 14.12

Jun-2014 59.31 92.93 14.48

Jul-2014 66.38 95.60 14.72

Aug-2014 62.63 102.50 14.40

Sep-2014 59.58 100.75 14.30

Oct-2014 60.41 108.00 14.54

Nov-2014 59.10 118.93 17.08

Dec-2014 58.00 110.38 16.90

Jan-2015 57.56 117.16 18.10

Feb-2015 64.41 128.46 17.40

Mar-2015 57.23 124.43 17.94

Apr-2015 57.15 125.15 19.98

May-2015 58.20 130.28 19.86

Jun-2015 53.75 125.43 19.06

Jul-2015 52.86 121.30 18.34

Aug-2015 50.29 112.76 14.00

Sep-2015 48.60 110.30 14.52

Oct-2015 50.65 119.50 15.44

Nov-2015 45.91 118.30 13.68

"a.Design an Excel financial model that can help to evaluate this investment plan.Marks will be allocated for the presentation and clarity of your model (e.g., if there are clear headings, clear arrangement for input cells, appropriate use of colours, have some degree of flexibility, generate warning messages for wrong user inputs, etc.).The Excel financial model should enable you to consider the investment plan and answer the following questions:

b. For each stock, show the monthly stock returns.

c.Based on the responses in part (b), calculate the average monthly stock returns and standard deviation for each stock.

d. Calculate the correlation of monthly stock returns between each pair of stocks.

e. Suppose that you invest 20% in Apple Inc., 50% in Rio Tinto Ltd and 30% in Cathay Pacific Airlines.Calculate the portfolio expected return, variance and standard deviation.

f.How does the expected return and standard deviation change if you decide to invest 60% in Rio Tinto Ltd, 30% inApple Inc. and 10% in Cathay Pacific Airlines?Explain your answers.

g. Find the weights of Apple Inc., Rio Tinto Ltd and Cathay Pacific Airlines that will provide a monthly return of 0.5% with the lowest level of risk.

h. Plot a scatter diagram showing the portfolios from parts (e), (f) and (g), with the X-axis displaying standard deviation and the Y-axis displaying monthly returns.