AT&T's most vital trouble for years was the financial debt from its sick-fated DirecTV and Time Warner acquisitions -- nearly $two hundred billion from the Time Warner offer by yourself. A lot of credit card debt created billions in fascination fees that suffocated gains.Trong tr??ng h?p vé s? c?a ng??i ch?i có dãy s? trùng kh?p v?i nhi?u gi?i