find the beta of Nike & HP. Ignore the S&P 500.

Date NKE (%) HPQ (%) S&P 500 (%) Jan-11 -3.442 8.527 2.330 Feb-11 7.941 -4.509 3.474 Mar-11 -13.580 -5.693 -0.005 Apr-11 8.745 -1.464 2.896 May-11 2.587 -7.406 -1.121 Jun-11 8.017 -1.915 -1.706 Jul-11 0.189 -3.379 -2.000 Aug-11 -3.882 -25.988 -5.498 Sep-11 0.115 -12.738 -6.910 Oct-11 12.677 18.530 10.915 Nov-11 -0.176 5.036 -0.406 Dec-11 1.695 -6.890 1.024 Jan-12 7.907 8.618 4.637 Feb-12 3.779 -9.543 4.341 Mar-12 1.816 -4.803 3.214 Apr-12 3.163 3.903 -0.668 May-12 -2.011 -8.401 -6.006 Jun-12 -18.857 -10.050 4.045 Jul-12 6.345 -9.299 1.183 Aug-12 5.838 -7.456 2.505 Sep-12 -2.516 2.788 2.543 Oct-12 -3.719 -18.816 -1.820 Nov-12 6.675 -6.209 0.566 Dec-12 7.591 11.937 0.902 Jan-13 4.748 15.860 5.119 Feb-13 1.536 21.987 1.276 Mar-13 8.355 19.815 3.795 Apr-13 7.778 -13.591 1.921 May-13 -2.390 18.544 2.361 Jun-13 3.276 2.865 -1.340 Jul-13 -1.193 3.548 5.168 Aug-13 0.509 -13.006 -2.999 Sep-13 15.632 -4.612 3.176 Oct-13 4.295 16.103 4.631 Nov-13 4.461 12.228 2.964 Dec-13 -0.025 3.473 2.580 Jan-14 -7.363 3.645 -3.525 Feb-14 8.140 3.034 4.552 Mar-14 -5.671 9.370 0.829 Apr-14 -1.232 2.163 0.695 May-14 6.086 1.331 2.321 Jun-14 0.832 1.589 2.064 Jul-14 -0.542 5.730 -1.344 Aug-14 2.463 6.712 3.946 Sep-14 13.558 -5.731 -1.371 Oct-14 4.226 1.156 2.355 Nov-14 6.798 8.863 2.747 Dec-14 -2.598 3.641 -0.253 Jan-15 -4.056 -9.968 -2.963 Feb-15 5.886 -3.570 5.620 Mar-15 3.305 -9.551 -1.566 Apr-15 -1.485 5.809 0.983 May-15 3.430 1.304 1.286 Jun-15 6.246 -8.989 -1.999 Jul-15 6.665 1.699 2.215 Aug-15 -3.012 -8.060 -6.134 Sep-15 10.541 -7.350 -2.489 Oct-15 6.554 5.271 8.529 Nov-15 0.954 2.422 0.366 Dec-15 -5.020 -4.593 -1.729 Jan-16 -0.784 -17.990 -4.979 Feb-16 -0.677 10.093 -0.083 Mar-16 0.065 16.408 6.721 Apr-16 -4.116 -0.406 0.394 May-16 -6.311 9.046 1.701 Jun-16 0.254 -5.277 0.342 Jul-16 0.543 11.633 3.647 Aug-16 3.856 2.570 0.120 Sep-16 -8.380 8.935 0.001 Oct-16 -4.691 -6.697 -1.734 Nov-16 -0.219 6.280 3.684 Dec-16 1.877 -2.775 2.032 Jan-17 4.072 1.415 1.789 Feb-17 8.053 15.415 3.929 Mar-17 -2.187 3.700 0.128 Apr-17 -0.574 5.257 0.993 May-17 -4.367 -0.319 1.411 Jun-17 11.681 -6.116 0.639 Jul-17 0.085 9.268 2.055 Aug-17 -10.262 -0.105 0.292 Sep-17 -1.818 5.308 2.010 Oct-17 6.056 7.966 2.356 Nov-17 9.875 -0.464 3.057 Dec-17 3.856 -1.402 1.208