The following three defense stocks are to be combined into a stock index in January 2022 (perhaps a portfolio manager believes these stocks are an appropriate benchmark for his or her performance). Assume the index is scaled by a factor of 10 million; that is, if the total value of all firms in the market is $5 billion, the index would be quoted as 500. Shares (millions) Price 1/1/22 1/1/23 1/1/24 Douglas McDonnell 180 $ 60 $ 64 $ 77 Dynamics General 325 68 64 78 International Rockwell 370 97 86 100 Calculate the initial value of the index if a value-weighting scheme is used. Note: Round your answer to 2 decimal places. What is the rate of return on this index for the year ending December 31, 2022