<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by Fujitsu XWand B0102C -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="rsc-2007-12-31.xsd#rsc_TotalAnoRegion" xlink:label="TotalAnoRegion" xlink:title="TotalAnoRegion"/>
    <link:loc xlink:type="locator" xlink:href="rsc-2007-12-31.xsd#rsc_NumeroContratos" xlink:label="NumeroContratos" xlink:title="NumeroContratos"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalAnoRegion" xlink:to="NumeroContratos" xlink:title="calculation: TotalAnoRegion to NumeroContratos" order="1.0" weight="1.0"/>
  </link:calculationLink>
</link:linkbase>