Which merit good does the u. s. government provide through a payroll tax?

The most important merit that the U.S. government provide through a payroll tax to its citizens is social security and medicare. The citizens get free of cost medical treatment as well as social security by paying payroll tax. This makes life easier. I hope that this is the answer that has come to your desired help.

The mercantilism option

The answer is a price setter because they are the ones they add on the price.