c. Compute the rate of return for the period from time 0 to time 1 for a market-value weighted index that is composed of the following three stocks, A, B, and C. Assume the index at the base period ( t=0) is 100 . (5 points) d. In the following table are the yields of 5-year, 10-year, 20-year TIPS for Sept 21, 2020. Explain what these negative numbers mean. (5 points)