Which of the following transactions best represents the government playing the role of provider of a good or service?

Which of the following transactions best represents the government playing the role of provider of a good or service?

• The federal government provides Social Security checks to those citizens who qualify for the payment.
• The state government imposes a tax on cigarette purchases to discourage smoking.
• The state government pays for police to patrol the state and federal roadways.
• The local government purchases office furniture for renovations to its Department of Parks and Recreation.