A if Greece abandons the euro as its currency, it will have to go back to its old currency.
B the European Central Bank is prepared to loan money to Greek Banks, if Greece leavesthe eurozone.
C this solution will only work if Germany is prepared to accept the Greek trains as guarantee of payment.
D the drachma will have a far higher value than the euro.
E Platon Monokroussos is a brain scientist working for the Eurobank.