※ 引述《zong2006 (小周鸟)》之铭言： : 来源: 100 年度交大交管研究所考题 : 科目:经济学 : 问题:Dolores used to work as a high school teacher for $40000 per year : but quit in order to start her own catering business. To invest in her : factory, she withdraw $20000 from her saving, which paid 3 percent interest : and borrowed $30000 from her uncle, whom she pays 3 percent interest per year. : Last year she paid $25000 for ingredients and had revenue of $60000. She asked : Louis the accountant and Greg the economist to caculate her profit for her. : a. Louis says her costs are $25900 and Greg says her costs are $66500 : b. Louis says her costs are $25000 and Greg says her costs are $65000 : c. Louis says her profit is $66500 and Greg say her costs are $66500 : d. Louis says her profit is $75000 and Greg say her costs are $41500 个人算出来是A 称不上是高手(中手都称不上?) 有错请指教 先从会计成本着手 因为 经济成本=会计成本+机会成本=会计成本+正常利润 而会计成本就是实际上有的成本 餐饮业会计成本是材料钱加上借来的钱=30000*0.03+25000=25900 而机会成本就是放弃这个决策所能赚得最高会计利润 餐饮业的机会成本就是当老师 又利润等於收入减成本 当老师收入是当老师薪水+原本的存款收入=40000+20000*0.03=40600 因为没有提到当老师时的成本 假设成本为零 利润即为收入减成本=40600-0=40600 所以 餐饮业经济成本=会计成本+机会成本=25900+40600=66500 --

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