A B D E 1 stock name Stock code 2 Maotai 600519 3 Maotai 600519 4 Maotai 600519 5 Maotai 600519 6 Maotai 600519 7 Maotai 600519 8 Maotai 600519 9 Maotai 600519 10 Maotai 600519 11 Maotai 600519 12 Maotai 600519 13 Maotai 600519 14 Maotai 600519 15 Maotai 600519 16 Maotai 600519 17 Maotai 600519 18 Maotai 600519 19 Maotai 600519 20 Maotai 600519 21 Maotai 600519 22 Maotai 600519 23 Maotai 600519 24 Maotai 600519 25 Maotai 600519 26 Maotai 600519 27 Maotai 600519 28 Maotai 600519 date 2014-02 2014-03 2014-04 2014-05 2014-06 2014-07 2014-08 2014-09 2014-10 2014-11 2014-12 2015-01 2015-02 2015-03 2015-04 2015-05 2015-06 2015-07 2015-08 2015-09 2015-10 2015-11 2015-12 2016-01 2016-02 2016-03 2016-04 monthly monthly stock return return of A of Maotai shares 0.134796 0.013349 0.031196 -0.016546 0.059341 -0.005269 -0.065048 0.012399 0.047802 0.022671 0.128821 0.089937 -0.012729 0.014691 0.024648 0.077237 -0.033615 0.02357 -0.005361 0.095712 0.216761 0.165543 -0.065605 0.007826 0.078282 0.04031 0.0257 0.148415 0.28715 0.17834 0.04599 0.067707 -0.023424 -0.069175 -0.101588 -0.149457 -0.055408 -0.13595 -0.0259 -0.058022 0.123745 0.133979 0.002104 0.031874 0.018105 0.03995 -0.080389 -0.24457 0.071069 -0.018642 0.152296 0.13521 0.014376 -0.019588 28 Maotai 29 Maotai 30 Maotai 31 Maotai 32 Maotai 33 Maotai 34 Maotai 35 Maotai 36 Maotai 37 Maotai 38 Maotai 39 Maotai 40 Maotai 41 Maotai 42 Maotai 43 Maotai 44 Maotai 45 Maotai 46 Maotai 47 Maotai 48 Maotai 49 Maotai 50 Maotai 51 Maotai 52 Maotai 53 Maotai 54 Maotai 55 Maotai 56 Maotai 57 Maotai 58 Maotai 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 600519 2016-04 2016-05 2016-06 2016-07 2016-08 2016-09 2016-10 2016-11 2016-12 2017-01 2017-02 2017-03 2017-04 2017-05 2017-06 2017-07 2017-08 2017-09 2017-10 2017-11 2017-12 2018-01 2018-02 2018-03 2018-04 2018-05 2018-06 2018-07 2018-08 2018-09 2018-10 0.014376 -0.019588 0.052826 -0.005593 0.103792 0.019851 0.095858 0.019821 -0.009452 0.041275 -0.039589 -0.019371 0.067269 0.030238 0.003554 0.044556 0.04723 -0.044622 0.030735 0.014058 0.029731 0.026171 0.089381 -0.00468 0.070194 -0.021656 0.071249 -0.01564 0.065268 0.043208 0.035378 0.034548 0.020635 0.02484 0.053935 0.006382 0.193938 0.0166 0.020986 -0.022532 0.105372 0.001755 0.09613 0.045015 -0.050906 -0.059044 -0.057882 -0.022536 -0.03085 -0.032808 0.13373 0.004277 -0.012337 -0.077977 -0.006863 0.01492 -0.092575 -0.054974 0.10742 0.028756 -0.248082 -0.085855 51 Maotai 58 Maotai 59 Maotai 60 Maotai 61 Maotai 600519 600519 600519 600519 600519 2018-09 2018-10 2018-11 2018-12 2019-01 0.10742 0.028756 -0.248082 -0.085855 0.029331 0.004891 0.044265 -0.041942 0.168794 0.036683 Please download a file called "Maotai" from Blackboard and then calculate the beta of Maotai stock in January 2019 using monthly return from past the five years (from Feb. 2014 - Jan. 2019). A. 0.76 B.0.53 C.1.05 D.O