text: Lokhu kusekelwe phezu komthelela wokuwa komnotho okuhlephule isiqephu samaphoyinti ku-GDP yesizwe ekupheleni kuka-2020, kutholakale ngenkathi i-Office for Budget Responsibility isebenzisa izib alo eziqaguliwe ezivela ku-International Monetary Fund njengesiqalelo sayo sezibalo zezimali.