Below shows the US$ monthly returns of portfolio investment in various countries by your company:

	Country	Risk-free return	Average Return	Standard	Beta
		(%)	(%)	Deviation (%)
	Singapore	0.40	0.90	6.00	1.00
	Hong Kong	0.40	1.25	6.75	1.20
	Japan	0.40	0.75	4.50	0.90
	China	0.40	1.45	6.80	1.35
	United States	0.40	1.00	5.50	0.9

1) Calculate and rank the country portfolios by Treynor Measure

2) Calculate and rank the country portfolios by Sharpe Measure

3) Being a financial controller who is able to determine a global beta for your companys portfolio and holds a portfolio that is well-diversified with international investments, which performance measure is more appropriate, the Sharpe Measure or the Treynor Measure? Explain why.