answer all please

Given the following information, what is the non-diversifiable proportion of the stock? Stock variance: 0.8 Beta: 1.3 Residual variance: 0,3 Variance of the market portfolio: 0.4 Select one Oa 78.4% Ob. 81.3% OC84.5% O d75.9% Given the following equation: Y=fa(1+gXP]+9 Y-15, a=5, and P-50, what is g? Select one: O a 3.5% O b. 4.55% OC 4% Od 5%