A.旅游企業(yè)經(jīng)營(yíng)收入不變,經(jīng)營(yíng)成本降低
B.旅游企業(yè)經(jīng)營(yíng)成本不變,經(jīng)營(yíng)收入增加
C.旅游企業(yè)經(jīng)營(yíng)成本增加,旅游經(jīng)營(yíng)收入更大幅度地增加
D.旅游企業(yè)經(jīng)營(yíng)收入減少,經(jīng)營(yíng)成本有很大程度地減少
E.旅游企業(yè)經(jīng)營(yíng)收入增加,經(jīng)營(yíng)成本減少