应当加强材料采购成本的监督和检查□黄枫柏在税收检查和所得税汇算过程中我们发现企业通过三条渠道核增材料成本减少利润达到偷税的目的第一虚增采购材料成本单价第二多记材料数量第三擅自增加采购单价和数量针对这些情况可采取以下措施来杜绝漏洞一... We should strengthen supervision and inspection of materials procurement costs □ Huang Fengbai tax inspection and income tax in the process  We found that enterprises through three channels to increase material costs to reduce profits to achieve the purpose of tax evasion   the first  virtual purchase cost of materials unit price  second  more records of the number of materials  third  arbitrarily increase the purchase price and quantity  for these situations  can take the following measures to eliminate loopholes  a ...