Ri= Rf + B1F1 + B2F2 - B3F3

assume there is no frim specific riisk. the information for each stock is presented here

B1 B2 B3

stock a 1.55 .80 .05

stock b .81 1.25 -.20

stock c .73 -.14 1.24

the ris premiums for the factors are 4.9 %, 3.8% and 5.3% respectviely. if you create a portfolio with 20% invested in stock A, 20% invested in stock B and the reaminder in STock C, what is the expression for the return on your portfolio. if the risk free rate is 3.2%, what is the ex[ected return on your portfolio