Labour's vice chairman has criticised the government's move at giving National Insurance breaks for businesses, saying that households will be on average £1,000 "worse off" next year.
Michael Dugher said: "David Cameron lives on another planet. His claims that people are better off show how out of touch he really is."
"He talks about tax changes but fails to mention that figures from the independent Institute for Fiscal Studies show that by next year households will be on average almost £1,000 a year worse off because of changes since 2010," Mr Dugher said.
He spent about five minutes chatting to a partner in the butcher's, Graham Morley, and also bought some sausages. Speaking afterwards, Mr Morley said he was not sure how much difference the tax break would mean to his business.
Nearly two million businesses and charities are being urged to check whether they are entitled to a £2,000 National Insurance break that comes into effect this weekend.
The new Employment Allowance, which comes into effect tomorrow, provides a reduction of up to £2,000 each on employers' National Insurance contributions for an estimated 1.25 million companies.
David Cameron has issued nearly two million letters to the businesses and charities that may be eligible for the break, as well as raising awareness of this weekend's increase to £10,000 in the threshold at which workers start paying income tax.
Labour claims that, despite these tax cuts, the average British household will be £974 a year worse-off by the time of next year's general election as a result of tax and benefit changes introduced by the coalition.
The Prime Minister's mailshot was issued on 10 Downing Street headed notepaper funded by the taxpayer rather than the Conservative Party, as the advisory letters are being treated as part of the Government's efforts to publicise its policies and not as party political literature.