Earlier, Business Secretary Jacob Rees-Mogg was asked on the BBC's Today programme why there had been "a shock to investor confidence" after the mini-budget (which included £45bn of unfunded tax cuts).The package of tax cuts announced in the mini-budget totalled £45bn and were unfunded in that the government did not set out what savings it might make.If you just look in the changes to the cost of government borrowing since 1 September (Liz Truss officially became prime minister on 6 September) the trend is even clearer.Mr Raya said: "You throw on the 23 September event, you've got a side-lined fiscal watchdog, lack of a medium-term fiscal plan, one of the largest unfunded tax cuts that we've seen... since the early 1970s and it's sort of the straw that broke the camel's back."She added that while the temporary emergency measures to limit energy prices probably could have been announced without an OBR forecast, "permanent changes to the tax system, which didn't need to be announced so quickly", could"