The average annual supermarket bill is forecast to rise by £682 as the cost of living crisis continues to push up prices.
Data from market analysts at Kantar showed grocery price inflation hit 14.7% over the four weeks to October 30 - a record high since the firm began tracking prices in this way in 2008.
Grocery inflation figure was 13.9% the previous month and the rise to average annual bills was expected to be £643.
