At present Satellex Radio provides only music stations. However, many Satellex subscribers listen to talk radio stations as well, and they would prefer that Satellex offered talk radio as well. Moreover, subscribers to radio services that provide talk radio usually subscribe for longer periods of time than those who subscribe to music-only services. Therefore, if Satellex added talk radio stations, its profits would increase.
The argument is vulnerable to criticism on the grounds that it gives reason to believe that it is likely that
(A) Satellexís large subscriber base would appeal to talk radio hosts, making it easy for Satellex to hire quality talent for its talk radio stations.
Incorrectsupport argument
(B) most talk radio hosts broadcast on advertiser-supported radio stations that listeners can access without paying a subscription fee.
Incorrectnew info and irrelevant
(C)
Satellexís costs would rise by adding several talk-radio stations, while many of the listeners who want talk radio are already Satellex subscribers. Correctit shows Satellexís costs rise, at the same time many talk radio listener already subscribe Satellexís; so revenues from talk radio listener will not be hight, so Satellexís cant increase its profit
(D) talk radio listeners generally spend more time on a single radio station than do listeners to music radio.
Irrelevant(E) if Satellex added talk radio stations, many of Satellexís music radio hosts would switch to talk-radio stations, making the music stations less appealing.
Incorrectit weakens argument but it is not related with costs and profits
I think answer is C
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