Inflation index "has cheated us for years": Annual increase in bills has been linked to inaccurate figures

Inflation index 'has cheated us for years': Annual increase in bills has been linked to inaccurate figures ONS admitted its Retail Prices Index measure was 'inadequate'RPI dictates how much Britons' household bills go up each yearThe measure has been swapped for the 'improved' RPIJ, said ONS .