(a) Any person who knowingly uses coercion to compel an adult to engage in commercial sexual activity is guilty of a felony and, upon conviction thereof, shall be imprisoned in a state correctional facility for not less than three nor more than fifteen years, fined not more than $200,000, or both imprisoned and fined.
(b) Any person who knowingly maintains or makes available a minor for the purpose of engaging the minor in commercial sexual activity is guilty of a felony and, upon conviction thereof, shall be imprisoned in a state correctional facility for not less than ten nor more than twenty years, fined not more than $300,000, or both imprisoned and fined.
(c) It is not a defense in a prosecution under subsection (b) of this section that the minor consented to engage in commercial sexual activity, or that the defendant believed the minor was an adult.