Inflation has fallen further than expected to 3.9 per cent, figures released by the Office for National Statistics.br br It is down from 4.6 per cent in October and is the lowest rate for two years. Core inflation, which does not include more volatile prices such as food and energy, fell to 5.1 per cent, down from 5.7 per cent in October.br br Money and Business reporter Callum Mason explain what this means for your money.