<Li> Tax, tariff and trade </Li> <Tr> <Td> Restrictions (show) <Ul> <Li> Trade barriers </Li> <Li> Tariffs </Li> <Li> Non-tariff barriers </Li> <Li> Import quotas </Li> <Li> Tariff - rate quotas </Li> <Li> Quota share </Li> <Li> Import licenses </Li> <Li> Customs duties </Li> <Li> Export subsidies </Li> <Li> Technical barriers </Li> <Li> Bribery </Li> <Li> Exchange rate controls </Li> <Li> Embargo </Li> <Li> Safeguards </Li> <Li> Countervailing duties </Li> <Li> Anti-dumping duties </Li> <Li> Voluntary export restraints </Li> </Ul> </Td> </Tr> <Ul> <Li> Trade barriers </Li> <Li> Tariffs </Li> <Li> Non-tariff barriers </Li> <Li> Import quotas </Li> <Li> Tariff - rate quotas </Li> <Li> Quota share </Li> <Li> Import licenses </Li> <Li> Customs duties </Li> <Li> Export subsidies </Li> <Li> Technical barriers </Li> <Li> Bribery </Li> <Li> Exchange rate controls </Li> <Li> Embargo </Li> <Li> Safeguards </Li> <Li> Countervailing duties </Li> <Li> Anti-dumping duties </Li> <Li> Voluntary export restraints </Li> </Ul> <Li> Tariff - rate quotas </Li>

Which of the following numbers of shares could properly exist in a corporation