i need the answer quickly

1 2 3 4 5 6 7 8 9 10 A 3 D G 1 Date CL Jul 21 CL Aug 21 Calculate correlation for front and second contracts of oil outright (CL) for 15 rows. 7-Jun-2017 49.16 49.23 Clearly state what your sample is. 8-Jun-2017 49.94 $0.02 Should you include both these contracts in a portfolio? 9-Jun-2017 50.06 50.14 If no, why not? If yes, indicate the optimal weights of both contracts and show the calculation of such optimal weights. 12-Jun-2017 50.21 50.29 13-Jun-2017 50.40 50.48 14-Jun-2017 49.86 49.94 15-Jun-2017 50.57 50.66 16-Jun-2017 50.63 50.72 19-Jun-2017 50.39 50.48 20-Jun-2017 50.33 50.43 21-Jun-2017 50.02 50.13 22-Jun-2017 50.02 50.13 23-Jun-2017 49.82 49.92 26-Jun-2017 49.85 49.95 27-Jun-2017 50.42 50 51 28-Jun-2017 50.55 50.63 29-Jun-2017 50.89 50.97 30-Jun-2017 51.81 51.89 3-Jul-2017 52.74 52.82 5-Jul-2017 51.47 51.55 11 12 13 14 15 16 17 18 19 20 21