The table below shows annual inflation rates for a selected economy in 2023:
| Inflation Measure | Annual Rate (%) |
|---|---|
| Consumer Prices Index (CPI) | 3.1 |
| Retail Prices Index (RPI) | 3.8 |
From the data provided, it can be deduced that the percentage point difference between the RPI and CPI inflation rates was:
0.30.30.3
0.50.50.5
0.70.70.7
0.90.90.9