Fill in the blanks with the given words and expressions.make an exception, marketing tool, original price, competitive, labor cost用所给词汇和短语补全以下价格谈判常用句型。Here is an offer from Singapore for the same quality at a very 1price.I admit that lower prices are an effective 2 , yet many people care more about quality.To help you sell our products, we’ll to 3give you a special discount.Under the circumstances of post-pandemic, raw materials’ price and4 keep increasing.Since your orderis large enough, we can offer you a 3% discount on the 5.