diff -r 1b300c79f4ce -r 58ec6da75f6f task4/solution14/src/org/apidesign/apifest08/currency/CurrencyRate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/task4/solution14/src/org/apidesign/apifest08/currency/CurrencyRate.java	Sat Oct 11 23:38:46 2008 +0200
@@ -0,0 +1,11 @@
+package org.apidesign.apifest08.currency;
+
+/**
+ * This is interface for creating currency rates. The rate can be static or can change in time.
+ * Implement this interface to inform the Convertor about the actual exchange rate between two currencies.
+ */
+public interface CurrencyRate {
+    public String getCurrency1();
+    public String getCurrency2();
+    public Rate getRate();
+}