diff --git a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_positionen.xhtml b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_positionen.xhtml
index 44dca40..824b087 100644
--- a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_positionen.xhtml
+++ b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_positionen.xhtml
@@ -19,7 +19,8 @@
 					<th style="">Positionsnummer<span class="imixs-required"> *</span></th>
 					<th style="width: 50px;">Buchungsperiode</th>
 					<th style="width: 150px;">Steuer</th>
-					<th style="width: 150px;text-align:right;">Betrag</th>
+					<th style="width: 150px;text-align:right;">Netto</th>
+					<th style="width: 150px;text-align:right;">Brutto</th>
 					<th style="">
 						<!-- delete -->
 					</th>
@@ -37,7 +38,7 @@
 						<td><h:inputText value="#{orderitem.item['period']}" style="width:100%;" /></td>
 						
 						<!-- Steuer -->
-						<td><h:selectOneMenu value="#{orderitem.item['tax']}"  >
+						<td><h:selectOneMenu value="#{orderitem.item['tax']}" a:data-id="orderitem_tax" >
 							<f:selectItem itemLabel="" itemValue="" />
 							<f:selectItem itemLabel="Steuerfrei Ausfuhr" itemValue="0"></f:selectItem>
 							<f:selectItem itemLabel="Steuerfrei EU" itemValue="0EU"></f:selectItem>
@@ -48,19 +49,24 @@
 							<f:selectItem itemLabel="Reverse-Charge-EU" itemValue="RCE"></f:selectItem>
 						</h:selectOneMenu></td>
 
-						<!-- Betrag -->
+						<!-- Netto Betrag -->
 						<td style="text-align:right;"><h:inputText value="#{orderitem.item['amount']}"
 								a:data-id="orderitem_amount" style="text-align: right;width:100%;">
 								<f:convertNumber minFractionDigits="2" locale="de" />
 							</h:inputText>
 						</td>
+						
+						<!-- Brutto -->
+						<td data-id="orderitem_summary" style="text-align: right;padding-right:10px;"></td>
 							
 						<td><h:commandLink actionListener="#{childItemController.remove(orderitem.item['numpos'])}">
 								<span class="typcn typcn-trash imixs-state-info"></span>
 								<f:ajax render="#{orderlistContainer.clientId}"
 									onevent="updateOrderItems" />
 							</h:commandLink>
-							
+							 <h:inputHidden value="#{orderitem.item['total']}" a:data-id="orderitem_total">
+							   <f:convertNumber minFractionDigits="2" locale="de" />
+							</h:inputHidden>	
 						</td>
 					</tr>
 				</ui:repeat>
@@ -71,6 +77,7 @@
 					<td />
 					<td />
 					<td />
+					<td />
 					<td data-id="orderlist_summary" style="text-align: right;padding-right:10px;font-wight:bold;"></td>
 					<td />
 				</tr>
@@ -118,23 +125,47 @@
 
 		//Rechnet die Preise zusammen
 		function calculateSummary() {
-			var price = 0, amount = 0, sum = 0, total = 0;
+			var price = 0, amount = 0, sum = 0, total = 0, brutto = 0;
 			var summaryItems = $("[data-id='orderitem_amount']");
 			$(summaryItems).each(function(index, value) {
 				var tableRow = $(this).closest('tr');
 				var inputamount = $("[data-id='orderitem_amount']", tableRow);
+				var inputtax = $("[data-id='orderitem_tax']", tableRow);
 				if (inputamount ) {
+					
 					amount = convertToNumber(inputamount.val());
 					//console.log('amount=' + amount);
 					if (!isNaN(amount) ) {
-						sum = amount ;
+						
 						// round
-						sum = Math.round(sum * 100) / 100;
-						total = total + sum;
-						//$("[data-id='orderitem_total']",tableRow).val(sum);
-						sum = convertToCurrency(sum);
-						//console.log('sum=' + sum);
-						$("[data-id='orderitem_amount']",tableRow).val(sum);
+						amount = Math.round(amount * 100) / 100;
+						
+						// is tax a number?
+						if (!isNaN(inputtax.val())) {
+							tax=convertToNumber(inputtax.val());
+							console.log('tax=' +tax);
+							brutto=amount + amount*(tax/100);
+							console.log('brutto=' +brutto);
+						} else {
+							brutto=amount;
+						}
+						// round
+						brutto = Math.round(brutto * 100) / 100;
+						total = total + brutto;
+						
+						
+						// update netto column
+						$("[data-id='orderitem_amount']",tableRow).val(convertToCurrency(amount));
+
+						// update burtto column
+						brutto=convertToCurrency(brutto);
+						$("[data-id='orderitem_total']",tableRow).val(brutto); // hidden field
+						// update display column
+						$("[data-id='orderitem_summary']", tableRow).empty();
+						$("[data-id='orderitem_summary']", tableRow).append(brutto);
+
+						
+					
 					}
 				}
 			});
diff --git a/workflow/rechnungseingang-de-1.0.1.bpmn b/workflow/rechnungseingang-de-1.0.1.bpmn
index 9b533ec..7a59f4b 100644
--- a/workflow/rechnungseingang-de-1.0.1.bpmn
+++ b/workflow/rechnungseingang-de-1.0.1.bpmn
@@ -105,7 +105,7 @@
     <bpmn2:task id="Task_5000" imixs:processid="5300" name="Freigabe">
       <bpmn2:extensionElements>
         <imixs:item name="txteditorid" type="xs:string">
-          <imixs:value><![CDATA[]]></imixs:value>
+          <imixs:value><![CDATA[alexander/form_basic_read#alexander/sub_positionen_read]]></imixs:value>
         </imixs:item>
         <imixs:item name="txtworkflowabstract" type="xs:string">
           <imixs:value><![CDATA[<itemvalue>txtlastcomment</itemvalue>]]></imixs:value>
@@ -721,7 +721,7 @@ result.isValid=true;
     <bpmn2:task id="Task_3" imixs:processid="5400" name="Freigegeben zur Bezahlung">
       <bpmn2:extensionElements>
         <imixs:item name="txteditorid" type="xs:string">
-          <imixs:value><![CDATA[]]></imixs:value>
+          <imixs:value><![CDATA[alexander/form_basic_read#alexander/sub_positionen_read]]></imixs:value>
         </imixs:item>
         <imixs:item name="txtworkflowabstract" type="xs:string">
           <imixs:value><![CDATA[<itemvalue>txtlastcomment</itemvalue>]]></imixs:value>