By Levi Winchester The Department for Work and Pensions (DWP) has been accused of “insulting” families by offering a Christmas bonus of just £10. The DWP paid the extra cash at the start of December to those on legacy benefits. It was introduced in 1972 and has stayed at £10 ever since, except in 2008 when it was temporarily increased to £70 to support people during the financial crash. It was reduced back to £10 the following year. The £10 would be worth £113 today if it had kept up with inflation, according to an Office for National Statistics (ONS) calculator. One Mirror reader emailed us a…