Please kindly assist with all relevant calculations and information

3.1 Kim lives in South Africa where the following Consumer Price Index CPI) levels for the entire county were recorded across two years: - January 2021 - December 2021=47.3 - January 2022-December 2022=44.5 Required: Using these figures, calculate the increase or decrease in the inflation rate across these two years to 3 decimal places. Based on calculations above, what effect might be expected on the nominal rate of interest. ( 8 marks)