I am not able to determine the Optimal Complete Portfolio from the given information ibellow. So could anyone help me to solve this problem?

Thank you in advance.

Attachment 1
Attachment 2

Efficient Frontier PortfolioP-meanP-stdSharpeAT&TCOKEDUPONTEXXON22.842.850.4387-2.04731.55440.53790.955121.839.430.4513-1.8041.43580.48230.885920.836.060.4657-1.56081.31730.42680.816719.832.760.4822-1.31751.19880.37120.747518.829.540.5009-1.07421.08020.31570.678317.826.430.522-0.83090.96170.26010.609116.823.480.545-0.58760.84310.20460.539915.820.760.5683-0.34430.72460.1490.470414.818.360.5879-0.10110.60610.09350.401513.816.440.59590.14220.48750.03790.332312.815.170.57980.38550.369-0.01760.263211.814.720.52960.62880.2504-0.07320.19413.8716.570.59590.12340.49670.04220.3377