A WATS arrangement – McqOptions

MCQOPTIONS

1.	A WATS arrangement
A.	is always less expensive than flat-rate service
B.	is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
C.	is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
D.	is never less expensive than flat-rate service
Answer» C. is less expensive than flat-rate service only when the number of calls is small and the duration of each is long

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