Australian retail price inflation has been low for a long time. However, input and supply chain costs have increased substantially in the past year. What if we had 5% inflation in both food and non-food in 2022? This is a hypothetical question to raise the debate about the implications of higher retail prices. High price inflation is likely to boost retail earnings in the first 12 months. If we have 5% price inflation, the upside to earnings is 6%-12%.