Task 4Directions: The following is a list of terms related to the supply chain. After reading it, you are required to find the items equivalent to those given in Chinese in the table below Then you should mark the corresponding letters with a single letter through the center in order of the numbered blanks,51 through 55, on the Answer Sheet.A --------- Acquisition costB --------- Actual costsC --------- Arrival noticeD --------- Balance of tradeE --------- Bill of lading numberF --------- Buyer behaviorG --------- Cash conversion cycleH --------- Certificate of originI --------- Chain of customersJ ---------Credit levelK --------- Customer relationship managementL -------- Duty free zoneM -------- Electronic commerceN --------- Free trade zoneO --------- Indirect costP --------- Minimum weightQ --------- Net weightExamples: (A)购置成本 (H)原产地证明51.( )买方行为 ( )自由贸易区52.( )净重 ( )顾客链53.( )电子商务 ( )间接成本54.( )贸易平衡( )客户关系管理55.( )免税区( )实际成本