The Chancellor Presents The Final Budget Before The 2015 General Election [Getty Images]

LONDON, ENGLAND - MARCH 18: Secretary of State for Work and Pensions Iain Duncan Smith waves as he leaves Downing Street for Parliament on March 18, 2015 in London, England. The Chancellor is presenting his 5th Budget to Members of Parliament today, the last before the General Election on May 7, 2015. (Photo by Peter Macdiarmid/Getty Images)

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