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| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="fil_PaymentsOnNoteReceivable" use="optional" order="2.0" weight="1.0"/> |
| | </link:calculationLink> |
| </link:linkbase> |