diff --git a/i18n/Babydatenbank-labels_de.properties b/i18n/Babydatenbank-labels_de.properties
index f7aec0c..8b13438 100644
--- a/i18n/Babydatenbank-labels_de.properties
+++ b/i18n/Babydatenbank-labels_de.properties
@@ -18,6 +18,8 @@ brand=Marke
 condition=Zustand
 size=Größe
 
+articleCount=Anzahl Artikel
+originalPriceSum=Summe der Originalpreise
 # ???
 Cards=Karten
 and=und
\ No newline at end of file
diff --git a/src/com/yourcompany/babydatenbank/model/Brand.java b/src/com/yourcompany/babydatenbank/model/Brand.java
index 2aaec15..3864887 100644
--- a/src/com/yourcompany/babydatenbank/model/Brand.java
+++ b/src/com/yourcompany/babydatenbank/model/Brand.java
@@ -3,6 +3,8 @@ package com.yourcompany.babydatenbank.model;
 import javax.persistence.*;
 import org.hibernate.annotations.GenericGenerator;
 import org.openxava.annotations.*;
+
+import java.math.*;
 import java.util.*;
 
 @Entity
@@ -46,6 +48,44 @@ public class Brand {
 		this.articles = articles;
 	}
 	
+	@Depends("articles")
+	public int getArticleCount() {
+		return this.articles.size();
+	}
 	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getOriginalPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+				
+		for (Article e : articles) {
+			r = r.add(e.getOriginalPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getBuyPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for (Article e : articles) {
+			r = r.add(e.getBuyPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getSellPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for(Article e : articles) {
+			r = r.add(e.getSellPrice());
+		}
+		return r;
+	}
 	
 }
diff --git a/src/com/yourcompany/babydatenbank/model/Category.java b/src/com/yourcompany/babydatenbank/model/Category.java
index 9300cb1..1173f9c 100644
--- a/src/com/yourcompany/babydatenbank/model/Category.java
+++ b/src/com/yourcompany/babydatenbank/model/Category.java
@@ -1,6 +1,8 @@
 package com.yourcompany.babydatenbank.model;
 
 import javax.persistence.*;
+
+import java.math.*;
 import java.util.*;
 import org.hibernate.annotations.GenericGenerator;
 import org.openxava.annotations.*;
@@ -45,6 +47,45 @@ public class Category {
 		this.articles = articles;
 	}
 	
+	public int getArticleCount() {
+		return this.articles.size();
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getOriginalPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+				
+		for (Article e : articles) {
+			r = r.add(e.getOriginalPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getBuyPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for (Article e : articles) {
+			r = r.add(e.getBuyPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getSellPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for(Article e : articles) {
+			r = r.add(e.getSellPrice());
+		}
+		return r;
+	}
+	
 	
 
 }
diff --git a/src/com/yourcompany/babydatenbank/model/Pattern.java b/src/com/yourcompany/babydatenbank/model/Pattern.java
index ec5c26a..e774e3e 100644
--- a/src/com/yourcompany/babydatenbank/model/Pattern.java
+++ b/src/com/yourcompany/babydatenbank/model/Pattern.java
@@ -3,6 +3,8 @@ package com.yourcompany.babydatenbank.model;
 import javax.persistence.*;
 import org.hibernate.annotations.GenericGenerator;
 import org.openxava.annotations.*;
+
+import java.math.*;
 import java.util.*;
 
 @Entity
@@ -46,6 +48,44 @@ public class Pattern {
 		this.articles = articles;
 	}
 	
+	public int getArticleCount() {
+		return this.articles.size();
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getOriginalPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+				
+		for (Article e : articles) {
+			r = r.add(e.getOriginalPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getBuyPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for (Article e : articles) {
+			r = r.add(e.getBuyPrice());
+		}
+		
+		return r;
+	}
+	
+	@Stereotype("MONEY")
+	@Depends("articles")
+	public BigDecimal getSellPriceSum() {
+		BigDecimal r = BigDecimal.ZERO;
+		
+		for(Article e : articles) {
+			r = r.add(e.getSellPrice());
+		}
+		return r;
+	}
 	
 	
 }