<Ul> <Li> Revenue </Li> <Li> Spending </Li> </Ul> <Ul> <Li> Non-tax revenue </Li> <Li> Tax revenue </Li> <Li> Discretionary spending </Li> <Li> Mandatory spending </Li> </Ul> <Tr> <Td> Optimum (show) <Ul> <Li> Balanced budget </Li> <Li> Economic growth </Li> <Li> Price stability </Li> </Ul> </Td> </Tr> <Ul> <Li> Balanced budget </Li> <Li> Economic growth </Li> <Li> Price stability </Li> </Ul>

Which of the following can receive benefits from the social security system