Lebanon plans to slash its official exchange rate from the end of October, replacing the 1,507 per dollar rate adopted 25 years ago with a rate of 15,000 in a step towards unifying numerous exchange rates, the finance minister told Reuters. The pound has slumped by more than 95% from the official rate since Lebanon fell into financial crisis three years ago, with dollars currently changing hands at around 38,000 on a parallel market. Finance Minister Youssef Khalil said doing away with the 1,507 rate was a “good start”. “This is the position the state has taken today,” he said. He said the gov…