For a certain event, 148 people attended. If all 148 had paid full admission price, the total revenue would be three times the cost of sponsoring the event. (Admission price was the only source of revenue.)
As it happens, only 50 paid the full admission price, and the others paid nothing.

Quantity A	Quantity B
the total revenue	the cost of sponsoring the event

A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given