Labour leader Ed Miliband has said companies which agree to increase the pay of those on low incomes will be offered tax breaks under a Labour government.
However some small businesses are already warning it would still be unaffordable, despite the cuts worth up to £100 per worker.
ITV News Correspondent Neil Connery reports.
More top news
Unilever's Burton-on-trent factory is to help manufacture a marmite egg which will go on sale this easter.
Prince Charles, Russell Brand and vlogger Zoella have been named in the annual Debrett's 500 list of the most influential Brits today.
A young mum wants to find a stranger who left her a handwritten note, describing her as a "credit to her generation" and a five pound note