No one answer then till my girly answers

Who collects federal taxes? a. irs b. ins c. treasury d. federal reserve

The 39 percent and 38 percent tax rates both represent what is called a tax "bubble." suppose the government wanted to lower the upper threshold of the 39 percent marginal tax bracket from $335,000 to $208,000. what would the new 39 percent bubble rate have to be? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Which of the following has the largest impact on opportunity cost