In "An Inside Look: Was Nokia Right to Choose Mohamed

In "An Inside Look: Was Nokia Right to Choose Mohamed Hamaki to Endorse its New Music Service?", Nokia hired Hamaki because of his popularity among young adults. When is this endorsement likely to increase Nokia's profit?

A) When the increase in demand on Nokia phones generates revenue that is more than the cost of hiring Hamaki.
B) When young Arab adults do not like to imitate celebrities.
C) If there are rumors about Hamaki participating in unacceptable behavior.
D) When Nokia's revenue from selling mobile phones increases by the same amount paid to Hamaki.