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<!-- Created on: 2/27/2020 6:24:53 PM --> |
<!-- Modified on: 2/27/2020 6:24:53 PM --> |
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| <roleRef xlink:type="simple" xlink:href="bctcv-20191231.xsd#StatementBalanceSheets" roleURI="http://www.bostoncapital.com/role/StatementBalanceSheets"/> |
| <calculationLink xlink:role="http://www.bostoncapital.com/role/StatementBalanceSheets" xlink:type="extended" xlink:title="00100 - Statement - BALANCE SHEETS"> |
| | <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets"/> |
| | <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="us-gaap_CostMethodInvestments_637184233454530405"/> |
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| | <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_637184246931788983"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_Liabilities_637184246931788983" order="2" use="optional" weight="1"/> |
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