2. Using 2020 as the base period, compute a simple price index for each of the following commodities. " 2020 2021 2022 2023 Antiseptic wipes (200 sheets) $30.00 $60.00 $61.00 $58.00 Gauze (100pcs) $12.00 $19.00 $17.00 $19.00 Hipodermic needles 25G x 1 $8.34 $13.50 $16.23 $17.50 A. The index for the price of aniseptic wipes is: B. The index for the price of gauze is: C. The index for the price of hipodermic needles is: D. The average index price is