没太明白，辛苦再全面解释一下，为什么A是错的，B又是怎么算出来的

NO.PZ2022120702000065 问题如下 Fooservioperators are seeing one of the most important angrowing tren in the past ca – the “gourmetisation” of fast foointo a new category of fooservicallefast casual. One of the strongest restaurant concepts fast casurestaurants not offer a full table service; however, they aertise higher quality fooin comparison to fast foorestaurants. a result, fast casurestaurants are perceiveintermeate option between fast fooancasuning, anusually priceaccorngly. Fast casuis now the fastest growing category in the fooserviceinstry. Below is information from two Germcompanies in the fast casurestaurant susector, whimor mnot material.Regulators are scussing a bon single-use plastiHow might this impaCompany A anCompany B financially? A.Company A’s cost of capitwoulincrease more thCompany B’s because of its higher use of single-use plasti B.Company A’s costs woulincrease .6 multipliethe fferenbetween the priof the single-use plastic anits alternative. C.Company B’s costs woulre.5 multipliethe average cost of the single- use plastic usein its stores. Company B’s costs woulincrease .5 multipliethe average cost of the alternative to single-use plasti 监管机构正在讨论禁止使用一次性塑料，因此可以首先确定，两家公司对一次性塑料的使用会增加其成本。具体增加的成本为其每年一次性塑料的用量乘以一次性塑料和替代品的价格之差。 材料给的是A公司每年用一次性塑料0.6tons,没有提替代品价格啊,A用0.6tons,B用0,5tons,禁塑令后A比B公司高啊,怎么A不对了?

NO.PZ2022120702000065 问题如下 Fooservioperators are seeing one of the most important angrowing tren in the past ca – the “gourmetisation” of fast foointo a new category of fooservicallefast casual. One of the strongest restaurant concepts fast casurestaurants not offer a full table service; however, they aertise higher quality fooin comparison to fast foorestaurants. a result, fast casurestaurants are perceiveintermeate option between fast fooancasuning, anusually priceaccorngly. Fast casuis now the fastest growing category in the fooserviceinstry. Below is information from two Germcompanies in the fast casurestaurant susector, whimor mnot material.Regulators are scussing a bon single-use plastiHow might this impaCompany A anCompany B financially? A.Company A’s cost of capitwoulincrease more thCompany B’s because of its higher use of single-use plasti B.Company A’s costs woulincrease .6 multipliethe fferenbetween the priof the single-use plastic anits alternative. C.Company B’s costs woulre.5 multipliethe average cost of the single- use plastic usein its stores. Company B’s costs woulincrease .5 multipliethe average cost of the alternative to single-use plasti 监管机构正在讨论禁止使用一次性塑料，因此可以首先确定，两家公司对一次性塑料的使用会增加其成本。具体增加的成本为其每年一次性塑料的用量乘以一次性塑料和替代品的价格之差。 如题

NO.PZ2022120702000065 问题如下 Fooservioperators are seeing one of the most important angrowing tren in the past ca – the “gourmetisation” of fast foointo a new category of fooservicallefast casual. One of the strongest restaurant concepts fast casurestaurants not offer a full table service; however, they aertise higher quality fooin comparison to fast foorestaurants. a result, fast casurestaurants are perceiveintermeate option between fast fooancasuning, anusually priceaccorngly. Fast casuis now the fastest growing category in the fooserviceinstry. Below is information from two Germcompanies in the fast casurestaurant susector, whimor mnot material.Regulators are scussing a bon single-use plastiHow might this impaCompany A anCompany B financially? A.Company A’s cost of capitwoulincrease more thCompany B’s because of its higher use of single-use plasti B.Company A’s costs woulincrease .6 multipliethe fferenbetween the priof the single-use plastic anits alternative. C.Company B’s costs woulre.5 multipliethe average cost of the single- use plastic usein its stores. Company B’s costs woulincrease .5 multipliethe average cost of the alternative to single-use plasti 监管机构正在讨论禁止使用一次性塑料，因此可以首先确定，两家公司对一次性塑料的使用会增加其成本。具体增加的成本为其每年一次性塑料的用量乘以一次性塑料和替代品的价格之差。 题目信息里替代品和一次性袋子价差在哪里有说?

NO.PZ2022120702000065 问题如下 Fooservioperators are seeing one of the most important angrowing tren in the past ca – the “gourmetisation” of fast foointo a new category of fooservicallefast casual. One of the strongest restaurant concepts fast casurestaurants not offer a full table service; however, they aertise higher quality fooin comparison to fast foorestaurants. a result, fast casurestaurants are perceiveintermeate option between fast fooancasuning, anusually priceaccorngly. Fast casuis now the fastest growing category in the fooserviceinstry. Below is information from two Germcompanies in the fast casurestaurant susector, whimor mnot material.Regulators are scussing a bon single-use plastiHow might this impaCompany A anCompany B financially? A.Company A’s cost of capitwoulincrease more thCompany B’s because of its higher use of single-use plasti B.Company A’s costs woulincrease .6 multipliethe fferenbetween the priof the single-use plastic anits alternative. C.Company B’s costs woulre.5 multipliethe average cost of the single- use plastic usein its stores. Company B’s costs woulincrease .5 multipliethe average cost of the alternative to single-use plasti 监管机构正在讨论禁止使用一次性塑料，因此可以首先确定，两家公司对一次性塑料的使用会增加其成本。具体增加的成本为其每年一次性塑料的用量乘以一次性塑料和替代品的价格之差。 为什么是.6/.5而非0.6/0.5呢，我看了半天不知道这个“.”符号加一个数字代表什么，真正考试里也会这样缩写吗？还有为什么不选d

NO.PZ2022120702000065 问题如下 Fooservioperators are seeing one of the most important angrowing tren in the past ca – the “gourmetisation” of fast foointo a new category of fooservicallefast casual. One of the strongest restaurant concepts fast casurestaurants not offer a full table service; however, they aertise higher quality fooin comparison to fast foorestaurants. a result, fast casurestaurants are perceiveintermeate option between fast fooancasuning, anusually priceaccorngly. Fast casuis now the fastest growing category in the fooserviceinstry. Below is information from two Germcompanies in the fast casurestaurant susector, whimor mnot material.Regulators are scussing a bon single-use plastiHow might this impaCompany A anCompany B financially? A.Company A’s cost of capitwoulincrease more thCompany B’s because of its higher use of single-use plasti B.Company A’s costs woulincrease .6 multipliethe fferenbetween the priof the single-use plastic anits alternative. C.Company B’s costs woulre.5 multipliethe average cost of the single- use plastic usein its stores. Company B’s costs woulincrease .5 multipliethe average cost of the alternative to single-use plasti 监管机构正在讨论禁止使用一次性塑料，因此可以首先确定，两家公司对一次性塑料的使用会增加其成本。具体增加的成本为其每年一次性塑料的用量乘以一次性塑料和替代品的价格之差。 不太明白这道题的意思，为什么选B？为什么A公司成本会增加0.6倍而不是减少？