<?xml version="1.0" encoding="utf-8"?>

<!-- This file is part of the Dutch Taxonomy            -->
<!-- Intellectual Property State of the Netherlands     -->
<!-- Version NTP Version 1.1                            -->
<!-- Released by Dutch Taxonomy Project www.xbrl-ntp.nl -->
<!-- Release date Thu Mar  8 11:45:48 GMT 2007   -->
 
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <link:roleRef xlink:type="simple" xlink:href="fs-bd-burgers-ib-2005.xsd#burgers-inkomstenbelasting" roleURI="http://www.nltaxonomie.nl/1.1/domein/bd/formset/burgers-ib/fs-bd-burgers-ib-2005"/>
<link:calculationLink xlink:type="extended" xlink:role="http://www.nltaxonomie.nl/1.1/domein/bd/formset/burgers-ib/fs-bd-burgers-ib-2005">
<link:loc xlink:type="locator" xlink:href="../../burgers/bd-burgers-2005.xsd#bd-burg_GeneralExtraordinaryExpenditureAmount" xlink:label="bd-burg_GeneralExtraordinaryExpenditureAmount"/>
<link:loc xlink:type="locator" xlink:href="../../burgers/bd-burgers-2005.xsd#bd-burg_CompulsoryHealthInsuranceFundContributionPaidByEntrepreneur" xlink:label="bd-burg_CompulsoryHealthInsuranceFundContributionPaidByEntrepreneur"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="bd-burg_CompulsoryHealthInsuranceFundContributionPaidByEntrepreneur" xlink:to="bd-burg_GeneralExtraordinaryExpenditureAmount" order="1" use="optional" weight="1"/>
</link:calculationLink>
</link:linkbase>
