South Africa is preparing a last-minute "enhanced" trade proposal at the urging of U.S. officials in hopes of avoiding a 30% tariff which kicks in on Friday, its trade minister said on Thursday. South Africa initially submitted a proposed trade deal to President Donald Trump's administration in May and revised it in June, but received no response. Mbuyiseni Ndlozi is in conversation with Senior Economist at Trade and Industry Policy Strategies, Nokwanda Maseko.