By Laura McGuire Shop price inflation fell to its lowest level since May 2022, helped by supermarkets continually slashing their prices. A new reading by the British Retail Consortium (BRC) showed shop price inflation eased to 2.9 per cent in January, down from 4.3 per cent in December. Food inflation also decelerated to 6.1 per cent down slightly from the prior month, and is the lowest level since June 2022. This month’s decline does not mean food prices are decreasing, just the rate at which they are rising has slowed. Over the summer, the cost of groceries climbed to highs of over 14 per ce…