For the purposes of this Division--
"act of child prostitution" means any sexual service, whether or not involving
an indecent act--
(a) that is provided by a child for the payment of money or the provision of any other material thing (whether or not it is in fact paid or provided to the child or to any other person), and
(b) that can reasonably be considered to be aimed at the sexual arousal or sexual gratification of a person or persons other than the child,and includes (but is not limited to) sexual activity between persons of different sexes or the same sex, comprising sexual intercourse (as defined in Division 10) for payment or masturbation committed by one person on another for payment, engaged in by a child.