The cost of airing a commercial on television is modeled by the function C(n)=100n+900, where 'n' is the number of times the commercial is aired. Based on this model, which statement is true? A The commercial costs $0 to produce and $100 per airing up to $900.
B The commercial costs $100 to produce and $900 each time it is aired.
C The commercial costs $900 to produce and $100 each time it is aired.
D The commercial costs $1000 to produce and can air an unlimited number of times.