Gaining requires delivering more value and satisfaction to target consumers than competitors do. select one:
a. comparative advantage
b. differentiation
c. first-mover advantage
d. competitive advantage
e. economies of scale

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.)