display two digits after the decimal point

cash/templates/cash/product_list.html

@@ -20,7 +20,7 @@ Kategorie:
 {% for p in product_list %}
 	<tr>
 		<td>{{ p.name }}</td>
-		<td>{{ p.price }} &euro;</td>
+		<td>{{ p.price|floatformat:2 }} &euro;</td>
 		<td>
 			<a href="{% url 'buy' p.id %}">Kaufen</a>
 			<a href="{% url 'product' p.id %}">Details</a>