we are supposed to use 2022 data not 2020, it was a typo

Do i just find the sum of 2021 and 2022? and then divide 2022/2021 to find the index

3. The HU Index is a value-weighted index Below are the stocks which comprise the index: a. I he HU Index as of September 30,2021 was 100.00. Calculate the HU Index as or September 30,2020 , to 2 decimal places. b. Assume instead the HU Index was a price-weighted index which, as of September 30 202x 2021, was 100.00. Konoko Corp. just had a 3 -for-1 stock split. Calculate the HU Inde assuming there was no stock split. c. [From b] Calculate the price index as of September 30,2020 to 2 decimal places b: the after-split numbers, but assuming no change in the divisor. a. The HU Index as of September 30,2021 was 100.00. Calculate the HU Index as or September 30,2020 , to 2 decimal places. b. Assume instead the HU Index was a price-weighted index which, as of September 30 , 2022. 2024, was 100.00. Konoko Corp. just had a 3-for-1 stock split. Calculate the HU Index assuming there was no stock split. c. [From b] Calculate the price index as of September 30,2024 to 2 decimal places based on the after-split numbers, but assuming no change in the divisor