Plot the curve for the risks and expected returns of the optimal portfolio combinations in the 4-asset case detailed in Exhibit 6, namely: US Equities, Foreign Equities, Bonds, and REITs.

Exhibit 6 Array of Optimal Portfolios with Four Asset Classes: U.S., Foreign, Bonds, and REITs
			Asset Allocation
Portfolio	Expected Ret.	Stdev	US Equity	Foreign Equity	Bonds	REITs
1	7.00%	8.93%	0.000	0.102	0.678	0.220
2	7.50%	8.66%	0.000	0.170	0.605	0.225
3	8.00%	8.57%	0.000	0.239	0.532	0.229
4	8.50%	8.66%	0.004	0.303	0.460	0.232
5	9.00%	8.89%	0.059	0.325	0.400	0.216
6	9.50%	9.24%	0.114	0.347	0.340	0.199
7	10.00%	9.69%	0.169	0.369	0.280	0.183
8	10.50%	10.23%	0.224	0.391	0.219	0.166
9	11.00%	10.85%	0.278	0.412	0.159	0.150
10	11.50%	11.52%	0.333	0.434	0.099	0.133
11	12.00%	12.25%	0.388	0.456	0.039	0.117
12	12.50%	13.04%	0.465	0.481	0.000	0.054