Just last week finance minister Tito Mboweni outlined the emergency budget to nurse South Africa through the Covid-19 crisis. A big part of this budget was a plan for South Africa to get its debt under control within four years. Fitch Ratings, the agency that downgraded South Africa in April doubts whether South Africa can do this. CNBC Africa’s Chris Bishop spoke to Jan Friederich, Senior Director of Fitch Ratings for more.