问题如下图：
选项：
A. 
B. 
C. 
解释：
没看懂答案，规模经济应该是随着sales增长，gross margin或者operating margin也增长吧？为什么答案是在对比两家公司COGS和SG&A的sales占比
3. Using the financiresults for 2012 shown in Exhibit 2, it woulmost appropriate for Larsteto conclu theconomies of scale for firms in the home improvements retail sector: not exist. exist anare realizein cost of goo solonly. exist anare realizein both cost of goo solanSG& 3.Retail, Inc., operating margin 2012 1,480/15,091=9.8% Miize, Inc., operating margin 2012 598/8,488=7.0% Retail,Inc.,is a bigger firm anha larger operating margin, suggesting theconomies of scale are more likely to exist. Retailer COGS a %of Revenue 2012 9,966/15091=66% Miize COGS a %of Revenue 2012 5,857/8,488=69% Retailer SG&A a %of Revenue 2012 3,654/15,091=24% Miize SG&A a%of Revenue 2012 2,033/8,488=24% Analysis of the expense ratios shows ththe economies of scale are realizein COGS rather thin SG&想问下这个CASE的来源。没有在原本书课后题看到这题。
3. Using the financiresults for 2012 shown in Exhibit 2, it woulmost appropriate for Larsteto conclu theconomies of scale for firms in the home improvements retail sector: not exist. exist anare realizein cost of goo solonly. exist anare realizein both cost of goo solanSG& 3.Retail, Inc., operating margin 2012 1,480/15,091=9.8% Miize, Inc., operating margin 2012 598/8,488=7.0% Retail,Inc.,is a bigger firm anha larger operating margin, suggesting theconomies of scale are more likely to exist. Retailer COGS a %of Revenue 2012 9,966/15091=66% Miize COGS a %of Revenue 2012 5,857/8,488=69% Retailer SG&A a %of Revenue 2012 3,654/15,091=24% Miize SG&A a%of Revenue 2012 2,033/8,488=24% Analysis of the expense ratios shows ththe economies of scale are realizein COGS rather thin SG&这道题为啥不从不同年份公司自己的数据进行对比呢？
3. Using the financiresults for 2012 shown in Exhibit 2, it woulmost appropriate for Larsteto conclu theconomies of scale for firms in the home improvements retail sector: not exist. exist anare realizein cost of goo solonly. exist anare realizein both cost of goo solanSG& 3.Retail, Inc., operating margin 2012 1,480/15,091=9.8% Miize, Inc., operating margin 2012 598/8,488=7.0% Retail,Inc.,is a bigger firm anha larger operating margin, suggesting theconomies of scale are more likely to exist. Retailer COGS a %of Revenue 2012 9,966/15091=66% Miize COGS a %of Revenue 2012 5,857/8,488=69% Retailer SG&A a %of Revenue 2012 3,654/15,091=24% Miize SG&A a%of Revenue 2012 2,033/8,488=24% Analysis of the expense ratios shows ththe economies of scale are realizein COGS rather thin SG&答案这里好像显示的有问题 能具体写一下是怎么得出还有为什么C不对呢
3. Using the financiresults for 2012 shown in Exhibit 2, it woulmost appropriate for Larsteto conclu theconomies of scale for firms in the home improvements retail sector: not exist. exist anare realizein cost of goo solonly. exist anare realizein both cost of goo solanSG& 3.Retail, Inc., operating margin 2012 1,480/15,091=9.8% Miize, Inc., operating margin 2012 598/8,488=7.0% Retail,Inc.,is a bigger firm anha larger operating margin, suggesting theconomies of scale are more likely to exist. Retailer COGS a %of Revenue 2012 9,966/15091=66% Miize COGS a %of Revenue 2012 5,857/8,488=69% Retailer SG&A a %of Revenue 2012 3,654/15,091=24% Miize SG&A a%of Revenue 2012 2,033/8,488=24% Analysis of the expense ratios shows ththe economies of scale are realizein COGS rather thin SG&答案是不是有问题，都没有显示出来。
