Aiter 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 30% in a boom economy next year. 21% in a neutral economy, and -12\% in a bust economy. The risk.free rate is 4.64. What is the expected return for this stock next year? (Answer to the nearest tenth of a percent, but do not use a percent sign]