BPP教材410页

bourne85

请问老师，怎么理解（c）中讲的“It would certainly not be worthwhile if the market survey had not yet been commissioned, in which case the cost of $30,000would need to be included.” 这3万块调查的费用应该是沉没成本吧，这句话想表达的意思是什么呢？谢谢！

bourne85

谢老师，但是考试的时候，这3万到底是处理成相关成本还是沉默成本呢？