Prime Minister Keir Starmer has given his biggest hint yet that a hike to the rate paid on employer National Insurance contributions is on the cards in the upcoming Autumn Budget. Labour is under scrutiny over the rumoured tax rise due to its previous manifesto pledge to not raise rates on “working people”, including income tax, VAT or National Insurance contributions (NIC). Critics have questioned whether this promise includes raising the tax burden on employers, who also make NICs on behalf of their workers. During an interview with the BBC, the Prime Minister was asked: “Did your manifesto …