5. From your regression results, what proportion of the total variability of the Xerox risk premium is attributable to systematic risk? month ibm xerox nyse tbills 63.7 -0.004 0.2471 -0.0095 0.002582177 63.8 0.0259 0. 1653 0.0506 0.002725439 63.9 0.0163 -0.0075 -0.0134 0.002773143 63.1 0.0929 0.2954 0.0163 0.00283294 63.11 -0.0152 0.0274 0.0068 0.002888661 63.12 0.0448 0. 1389 0.0075 0.002889469 64.1 0.069 0.0772 0.0201 0.002894312 64.2 0.0521 0.0095 0.027 0.002896734 64.3 0.0444 0.0784 0.0314 0.002913684 64.4 -0.0404 0. 1141 -0.0031 0.002857978 64.5 0.0549 0.2228 0.0116 0.002856363 64.6 -0.0063 -0.0013 0.0154 0.002853133 64.7 -0.0314 -0.0935 0.0277 0.00285394 64.8 -0.0438 -0.042 -0.009 0.002875743 64.9 -0.0091 0.2213 0.037 0.002892698 64.1 -0.0378 -0. 1221 0.017 0.002931438 64.11 -0.0149 -0. 1168 0.0007 0.002970969 64.12 -0.0073 0.045 -0.0069 0.003157904 65.1 0.0952 0. 1255 0.0537 0.003135363 65.2 0.0195 0.1239 0.0278 0.003216645 65.3 -0.0033 -0.0311 0.0053 0.003227101 65.4 0.0677 0. 1253 0.0359 0.003219058 65.5 -0.0113 0.0791 -0.0079 0.003189291 65.6 -0.0418 -0.0358 -0.0743 0.00312087 65.7 0.0459 0.0947 0.029 0.003137779 65.8 0.0449 0. 1022 0.0451 0.003141804 65.9 0.0271 -0.0088 0.0308 0.003202969 65.1 0.04 0.0356 0.0474 0.003299461 65.11 -0.0122 0. 1219 0.03 0.003339636 65.12 -0.0495 0.0313 0.0327 0.00356429 66.1 -0.006 0.0755 0.0435 0.003751613 66.2 0.0413 0.0834 0.0109 0.003810772 66.3 0.0019 0.0454 -0.0219 0.003775601 66.4 0.0804 0.0269 0.0337 0.003763608 66.5 -0.022 -0.0406 -0.0724 0.003788392 66.6 -0.0296 0.0155 -0.0046 0.003706019 66.7 -0.0278 -0.0738 -0.0127 0.003958502 66.8 -0.0562 -0.2191 -0.0931 0.00401992 66.9 -0.0094 0.0148 -0.0143 0.004357375 66.1 0.0457 -0.0736 0.0127 0.004381998 66.11 0.1358 0.267 0.0382 0.00434784 66.12 -0.012 -0.0366 0.0162 0.004079702 67.1 0.0754 0. 1703 0. 1428 0.003881872 67.2 0.0791 0.0784 0.0209 0.0037 1802