You have been given the expected return data as shown in the following table on three assets X, Y, and Z over the period 2018-2023.

	Expected Returns
Year	Asset X	Asset Y	Asset Z
2018	12%	14%	9%
2019	11%	13%	10%
2020	10%	12%	11%
2021	9%	11%	12%
2022	8%	10%	13%
2023	7%	9%	14%

With the above assets, you considering seven investment alternatives shown in the following table.

Alternative	Investment
1	100% in Asset X
2	100% in Asset Y
3	100% in Asset Z
4	50% in asset X and 50% in asset Z
5	50% in asset Z and 50% in asset Y
6	30% in asset Z and 70% in asset Y
7	70% in asset Z and 30% in asset Y

1- Calculate the expected return over the 6-year period for each of the seven alternatives. (Show your work)

2- Calculate the standard deviation of returns over the six-year period for each of the seven alternatives. (Show your work)

3- Calculate the coefficient of variation for each of the seven alternatives. (Show your work)

4- Based on your findings, which of the seven investment alternative would you recommend? Why? (Show your work)