2. (APT factors) Two stocks are believed to satisfy the two-factor model 12 = (2+381 + 4/; In addition, there is a risk-free asset with a rate of return of 10%. It is known that = 15% and T = 20%. What are the values of highs, and is for this model? 2. (APT factors) Two stocks are believed to satisfy the two-factor model 12 = (2+381 + 4/; In addition, there is a risk-free asset with a rate of return of 10%. It is known that = 15% and T = 20%. What are the values of highs, and is for this model