Find the optimal portfolio based on coefficient of variation and Sharpe's ratio in excel using 1% increments

		Projects
Year	A's Returns		B's Returns
1	-17%		11%
2	24%		-4%
3	4%		6%
4	-8%		1%
5	39%		17%
6	11%		27%
7	19%		24%
8	28%		-1%
9	13%		21%
10	6%		7%