你好     稅負(fù)率=當(dāng)期應(yīng)納增值稅/當(dāng)期應(yīng)稅銷售收入，當(dāng)期應(yīng)納增值稅=當(dāng)期銷項(xiàng)稅額-實(shí)際抵扣進(jìn)項(xiàng)稅額   而實(shí)際抵扣進(jìn)項(xiàng)稅額=期初留抵進(jìn)項(xiàng)稅額+ 本期進(jìn)項(xiàng)稅額-進(jìn)項(xiàng)轉(zhuǎn)出-出口退稅-期末留抵進(jìn)項(xiàng)稅額 ；期初留抵稅額跟本期相關(guān)商品或業(yè)務(wù)相關(guān)的話需要考慮計(jì)算。