<?xml version='1.0' encoding='utf-8'?>
<!-- Autogenerated -->
<!-- Created by Charles Hoffman, CPA 11/3/2020 7:52:28 AM -->
<!-- Public Domain Dedication: https://creativecommons.org/publicdomain/zero/1.0/ -->
<schema
  xmlns='http://www.w3.org/2001/XMLSchema'
  xmlns:xbrli='http://www.xbrl.org/2003/instance'
  xmlns:link='http://www.xbrl.org/2003/linkbase'
  xmlns:xlink='http://www.w3.org/1999/xlink'
  xmlns:nonnum='http://www.xbrl.org/dtr/type/non-numeric'
  xmlns:num='http://www.xbrl.org/dtr/type/numeric'
  xmlns:xbrldt='http://xbrl.org/2005/xbrldt'
 
  xmlns:coa='http://www.xbrlsite.com/coa'
  targetNamespace='http://www.xbrlsite.com/coa'
 
  elementFormDefault='qualified'
  attributeFormDefault='unqualified'>
  <annotation>
    <documentation>Chart of Accounts</documentation>
    <appinfo>
      <link:roleType roleURI='http://www.xbrlsite.com/coa/role/ChartOfAccounts' id='ChartOfAccounts'>
        <link:definition>0000 - Support - Chart of Accounts</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/labelLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='coa-lab.xml' xlink:title='Label Links, all' />
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/presentationLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='coa-pre.xml' xlink:title='Presentation Links, all' />
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/calculationLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='coa-cal.xml' xlink:title='Calculation Links, all' />
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/definitionLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='coa-def.xml' xlink:title='Definition Links, all' />
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/referenceLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='coa-ref.xml' xlink:title='Reference Links, all' />
    </appinfo>
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  <import namespace='http://www.xbrl.org/2003/linkbase' schemaLocation='http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd' />
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  <import namespace='http://www.xbrl.org/dtr/type/numeric' schemaLocation='http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd' />
 
  <element id='coa_AccountsPayable' name='AccountsPayable' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit'  nillable='true' />
  <element id='coa_CashAndCashEquivalents' name='CashAndCashEquivalents' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit'  nillable='true' />
  <element id='coa_ChartOfAccountsAbstract' name='ChartOfAccountsAbstract' type='xbrli:stringItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration'  abstract='true' nillable='true' />
  <element id='coa_CostOfSales' name='CostOfSales' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit'  nillable='true' />
  <element id='coa_DepreciationAndAmortization' name='DepreciationAndAmortization' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit'  nillable='true' />
  <element id='coa_IncomeTaxExpenseBenefit' name='IncomeTaxExpenseBenefit' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit'  nillable='true' />
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  <element id='coa_PPEWriteoff' name='PPEWriteoff' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit'  nillable='true' />
  <element id='coa_PropertyPlantAndEquipment' name='PropertyPlantAndEquipment' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit'  nillable='true' />
  <element id='coa_Receivables' name='Receivables' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit'  nillable='true' />
  <element id='coa_RetainedEarnings' name='RetainedEarnings' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit'  nillable='true' />
  <element id='coa_Sales' name='Sales' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='credit'  nillable='true' />
 
</schema>
