What are the weights on the two stocks to achieve the optimal risky portfolio for Mary ? What are the mean and standard deviation of returns on her optimal risky portfolio? please help me heres apple first and GS adj close prices data needed

14.18221	131.1853
13.74351	132.8711
13.86306	130.999
13.86682	130.0376
14.08448	144.2904
12.50058	135.0746
14.26598	146.4878
15.35958	135.8604
15.12874	141.7528
16.58688	144.1271
17.64581	151.3666
17.90683	159.3427
15.97833	147.5309
16.79671	149.6253
17.23441	147.7854
18.94745	144.1505
20.32526	144.1414
21.00416	151.5386
21.60764	156.4529
23.16718	162.1003
22.88492	166.652
24.53171	172.4803
27.01442	171.0459
25.18104	176.5282
26.72777	157.0202
29.30564	172.8489
28.4983	171.7288
28.66321	179.4486
29.83814	188.3745
28.84733	191.3448
27.89748	187.9356
25.93339	172.8417
25.48245	159.7906
27.60791	172.426
27.33068	174.7434
24.42216	166.308
22.58458	149.0802
22.43377	137.9794
25.4248	145.4833
21.86733	152.0912
23.29499	147.8002
22.43701	138.2629
24.45775	147.7826
24.90132	157.6931
26.6762	150.6586
26.79182	166.512
26.0792	204.861
27.47014	224.3879
28.78175	214.8951
32.49124	232.4563
34.22096	215.8326
34.21858	210.2705
36.38865	198.4885
34.44832	209.1872
35.57491	212.4207
39.22735	210.9218
37.0089	224.3649
40.59165	229.3689
41.26643	234.2499
40.78337	241.7422
40.34958	254.2013
42.9258	249.4947
40.59878	239.6612
39.989	226.7865
45.21811	214.9396
44.96495	210.629
46.22322	226.7291
55.29346	227.092
55.02667	214.8427
53.34959	215.9253
43.53089	182.6987
38.58507	160.6975