It's sold at umbrella stands all over the streets, where people are unregistered, unlicensed, but MTN makes most of its profits, perhaps 90 percent of its profits, from selling through System D, the informal economy.
Nas barracas de rua, onde as pessoas não são registradas, licenciadas, mas a MTN ganha a maior parte dos seus lucros, talvez 90% dos seus lucros, vendendo pelo Sistema D, a economia informal.