23. The market model says that for any given stock I, R-Rm where is a constant term, by is the market the level of the stock and is the level of the random non-systematic risk factor. This implies that if m and are uncorrelated, the total istand-alone) risk of stockt, is o-bloo' Assume that .05.b-1.2, 0'-20 and o.-12. What is the percentage of the systematic risk of the stock relative to its stand-alone risk? (A) 32.43% (h) 25.65% (c) 78.23% (d) 42.07% (c) 65.28% b d e e