【单选题】The above table gives the market demand and market supply schedules for soda. What is the minimum price that producers are willing to accept for the 400th can of soda? (上表列出了苏打的市场需求和市场供应时间表。生产者愿意接受第4...
【简答题】Dear Sirs, 'Swallow' Pencils We refer you to our quotations of 25th October and our mail offer of 12th November regarding the supply of 'Swallow' Pencils. We are prepared to keep our offer open until ...