A.不予退票 B.退還旅客19元 C.收取退票費(fèi)4.5元 D.收取手續(xù)費(fèi)2元
A.255.5-77.5 B.255.5-23.5 C.255.5-(255.5-77.5)×20% D.255.5-(255.5-23.5)×20%
A.(255.5-77.5)-(255.5-77.5)×20% B.(255.5-77.5)-(255.5-23.5)×20% C.255.5-23.5 D.255.5-77.5