The following table provides the prices (in Rand) and quantities (in kilograms) of brands of tea purchased weekly during the years 2018 and 2019. 2021 2022 Price Quantity Price Quantity Rooibos tea 12.00 30 15.00 25 Ceylon tea 5.60 ? 4.99 8 Green tea 7.50 20 8.20 18 Total 25.10 57 28.19 51 3.1 Using 2021 as a base year, calculate and interpret the simple price index for Rooibos tea. (1) 3.2 Using 2021 as a base year, calculate and interpret the simple quantity index for Green tea. (1) 3.3 Using 2021 as a base year, calculate and interpret the Laspeyres Price Index. (3)