The cost of Brexit has been predicted to hit £200 billion this year - totalling more than the UK has paid into the EU over 47 years. https://buff.ly/2FMTmZm
Boris Johnson’s Brexit deal would deliver £70 billion hit to the UK economy https://www.theneweuropean.co.uk/top-stories/niesr-research-into-boris-johnson-brexit-deal-1-6348565