After some study of the economy, your forecast for next year is that a boom economy has a 30% chance of occurring, a neutral economy 50%, and a bust economy a 20% chance of occurring. You also estimate that a certain stock would have a return of 33% in a boom economy next year, 20% in a neutral economy , and -11% in a bust economy. The risk-free rate is 4.8%. What is the expected RISK PREMIUM for this stock next year? (Answer to the nearest tenth of a percent, but do not use a percent sign). Probability Return Boom Economy 30% 33% Neutral Economy 50% 20% Bust Economy 20% -11% Risk-Free Rate = 4.8% Selected Answer: Incorrect [None Given] Correct Answer: Correct 12.9 0.1 Can you explain how the answer is 12.9?