Is 'However, if people can readily withdraw money from tax-preferred accounts for purposes other than retirement, there is no assurance that tax incentives would ultimately enhance individuals' retirement security.' an autonomous statement, not logically connected to 'If people can't readily withdraw money from tax-preferred accounts for purposes other than retirement, there is no assurance that tax incentives would improve retirement security.'
However, if people can readily withdraw money from tax-preferred accounts for purposes other than retirement, there is no assurance that tax incentives would ultimately enhance individuals' retirement security.###If people can't readily withdraw money from tax-preferred accounts for purposes other than retirement, there is no assurance that tax incentives would improve retirement security.