WhichcriteriaforbusinessesthatcaneffectivelyuseRMbelowiswrong?

WhichcriteriaforbusinessesthatcaneffectivelyuseRMbelowiswrong?
A.Theirvariablecostsaremuchmorethanfixedcosts.
B.Theirdemandcanbesegmentedintoclasses.
C.Therecanbesubstantialfluctuationsinthedemand.
D.Theyhavearelativelyfixedtotalcapacity.
正确答案：A