Dver the past five years, the returns on a domestic mutual fund have been as follows: [] (a) You invested $1,000 in the fund in the beginning of 2018 and haven't made any changes to your allocation since then. What has been your average annual return? (b) At the end of 2022, you are considering investing money in the fund for one year. What is the average return you can expect to earn based on the historical returns