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Math
Of the five bill collectors at Apex Collection Agency, Mr . Mamun has the highest rate of unsuccessful collections . Yet Mr . Mamun is the best bill collector on the agency's staff. which one of the following , if true, most helps to resolve the apparent
A) None of the bill collectors at the agency has been working longer than Mr . Mamun
B) The other four bill collectors at the agency consider Mr. Mamun to be a very capable bill collector
C) Mr. Manun's rate of collections per year has remained fairly steady in the last few years.
D) Before joining the agency , Mr. Mamun was affiliated with the credit department of a large department store