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      <OtherExpensesGrp>
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      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Merchandise</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>29206</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Comparable property</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Other:</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>5075</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Column (b):</FormAndLineReferenceDesc>
        <ExplanationTxt>Part I Column (b) refers to the number of contributions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board may establish an Executive Committee consisting of two or more members of the Board who may exercise all powers and authority of the Board in the management of the business of the Corporation between meetings of the Board, except that they will not have the power to: amend the articles of incorporation or bylaws, adopt an agreement of merger or consolidation, approve the sale , lease or exchange of all or substantially all of the Corporation's assets, approve the dissolution of the Corporation, fill vacancies on the Board, or fix compensation of the Directors serving.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is distributed to the board electronically before filing, with a resolution for the board to accept the form 990 motioned and passed before filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Annually, the Secretary of the Board distributes a conflict of interest form for all board members to review, complete, sign, and return. Known or perceived conflicts, if any, are reviewed by the Board Chair and CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Michigan Science Center has a Personnel Committee that researches and proposes CEO compensation for Board consideration. The committee uses comparable institution executive compensation data. The process is undertaken annually, most recently in 2013. Form 990, Part VI Section B, Line 15b: This line is more appropriately answered as N/A since there are no other officers and key employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization will provide any documents open to public inspection upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>