? ? ? ?公共工程材料調差一共有三種調整方法，一個是價格支付法，一個是信息價格法，一個是實際采購法。我們現在用的比較多的叫做信息價格法。
? ? ? ?這(zhe)(zhe)三種方(fang)(fang)法(fa)(fa)其(qi)實各有利(li)弊。第一(yi)種方(fang)(fang)法(fa)(fa)是(shi)計算(suan)(suan)(suan)簡便。但是(shi)呢(ni)因為(wei)這(zhe)(zhe)個(ge)(ge)調(diao)查系統呢(ni)這(zhe)(zhe)個(ge)(ge)公信(xin)力不(bu)足。第二(er)種方(fang)(fang)法(fa)(fa)計算(suan)(suan)(suan)也(ye)比(bi)較(jiao)復(fu)雜，但是(shi)呢(ni)，雙方(fang)(fang)都比(bi)較(jiao)認可。第三種方(fang)(fang)法(fa)(fa)是(shi)對收能(neng)很有利(li)，但是(shi)一(yi)種不(bu)利(li)。所以材料(liao)調(diao)差(cha)現(xian)在(zai)用的(de)最多(duo)的(de)就是(shi)第二(er)種小心價格法(fa)(fa)。所以信(xin)息價格法(fa)(fa)就是(shi)算(suan)(suan)(suan)出每(mei)期(qi)他這(zhe)(zhe)一(yi)期(qi)所要調(diao)差(cha)的(de)數量作(zuo)為(wei)基數，然后呢(ni)，再算(suan)(suan)(suan)出每(mei)期(qi)它調(diao)差(cha)的(de)這(zhe)(zhe)個(ge)(ge)材料(liao)價差(cha)是(shi)多(duo)少。
? ? ? ?用這(zhe)個數(shu)量乘(cheng)以差價就是材(cai)料的信息(xi)調(diao)(diao)查(cha)的金額啊(a)，那具體(ti)怎么處理呢？我(wo)們(men)這(zhe)里(li)面是給大家提供了一(yi)套計(ji)算(suan)表格的啊(a)，這(zhe)是一(yi)套計(ji)算(suan)表格。當然(ran)我(wo)也出了一(yi)個系列課(ke)程啊(a)，專門是付費的課(ke)程，有(you)五十多分鐘，詳細講(jiang)解了材(cai)料調(diao)(diao)整(zheng)的計(ji)算(suan)的優劣。包括我(wo)們(men)現在(zai)有(you)些(xie)業主，他(ta)(ta)約(yue)定不調(diao)(diao)查(cha)對施(shi)工(gong)單位極(ji)為(wei)不利。我(wo)們(men)如何去(qu)給他(ta)(ta)改過來，讓業主給他(ta)(ta)去(qu)調(diao)(diao)查(cha)啊(a)，包括各省的一(yi)些(xie)調(diao)(diao)查(cha)文件(jian)，我(wo)們(men)在(zai)這(zhe)里(li)面都有(you)所講(jiang)解。
但是(shi)這里面(mian)有(you)個(ge)小問題，材料(liao)調差(cha)(cha)的時(shi)候，差(cha)(cha)價(jia)部分是(shi)否要(yao)給你(ni)單獨算稅(shui)金？因為我們知道材料(liao)調差(cha)(cha)，他(ta)用的那個(ge)信(xin)息價(jia)是(shi)不(bu)含(han)稅(shui)的。但是(shi)如果(guo)把這個(ge)差(cha)(cha)價(jia)補給施工(gong)單位的時(shi)候，我實際上(shang)施工(gong)那個(ge)主(zhu)開(kai)票是(shi)要(yao)含(han)稅(shui)九個(ge)點的。
? ? ? ? 所(suo)以這里面收(shou)納我是要(yao)吃虧的，到底給不給稅金(jin)呢(ni)？大家認為材料調(diao)查是否應該調(diao)整稅金(jin)，我們下節給大家講答案
? ? ? 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