the answer for part A is not 100 so if you got 100 it is wrong. try again

The following three defense stocks are to be combined into a stock index in January 2016 (perhaps a portfolio manager believes these stocks are an appropriate benchmark for his or her performance): Price Shares (millions) 190 450 330 1/1/18 $124 Douglas McDonnell Dynamics General International Rockwell 1/1/16 $105 68 97 1/1/17 $111 64 86 78 102 a. Calculate the initial value of the index if a price-weighting scheme is used. Answer is not complete. Index value b. What is the rate of return on this index for the year ending December 31, 2016? For the year ending December 31, 2017? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Answer is complete and correct. % 2016 return 2017 return (3.33) 16.47