An economy growing at a real rate of 5% can service this amount of debt.

FORBES: A Tax Plan That Will Reverse Greece's Ugly Implosion

If the interest rate is 5%, you devote one twentieth of your revenue to debt service.

FORBES: The Real Danger Of Raging Debt Loads And Slow Growth

In an effort to obtain loans to service its debt, Seychelles in November 2008 signed a standby arrangement with the IMF that mandated floating the exchange rate, removing foreign exchange controls, cutting government spending, and tightening monetary policy.

FORBES: Seychelles