try to calc update costs in form

templates/upgrademailhosting.tpl

@@ -162,8 +162,10 @@
 						</td>
 					</tr>
 					<tr>
-						<td class="clearfix" id="{$configoption}addprice">
-						Blubb
+						<td class="clearfix">
+							Zusätzliche Kosten: 
+							<div id="{$configoption}addprice">
+							</div> ${$ccurrency.code} / Monat
 						</td>
 					</tr>
 				{/foreach}