Assume that a state passes a statute that prevents disclosure of the horsepower of automobile engines. The purpose of this law is to prevent the car companies from trying to market cars with more horsepower than those of their competitors. This statute would most likely be found to
a. be constitutional under state police power
b. violate the Equal Protection Clause under intermediary scrutiny
c. be found to violate substantive due process
d. be viewed as an unconstitutional restriction of commercial speech
