Answer:
The risk free will be 3.82%
Step-by-step explanation:
We post the CAPM formula and how given data
risk free ?
market rate 0.12
premium market market rate - risk free ?
beta(non diversifiable risk) 3.2
Ke = 0.3
Now we post the know values and solve for risk free


risk free = 0.0381818181818182 = 3.82%