A report, which charts the rise and fall in price of 75,000 supermarket items, showed that at the current rate shoppers would typically have to spend an extra £60 in December to buy the same products as last year.
Kantar Worldpanel said its main grocery inflation figures offered a hint of hope ahead as the annual rate softened to 14.6% last month from a record 14.7% in October.
However the report, which charts the rise and fall in price of 75,000 supermarket items, showed that at the current rate shoppers would typically have to spend an extra £60 in December to buy the same products as last year.