在“构建和谐校园”的活动中，李雷被评为“文明之星”。你是他的好朋友，请用简短的英语对他进行介绍，并写一句你最想对他说的话。

Li Lei is my good 76  He is quite friendly and helpful. He is always trying to help

77   He does well in all his 78   And he has many different 79 of hobbies.

He is always well-behaved. He sets us all a good example. He is the hero in our heart.

写一句你最想对他说的话：              80                     

某公司生产甲产品和乙产品，甲产品和乙产品为联产品。6月份发生加工成本600万元。甲产品和乙产品在分离点上的数量分别为600个和400个。采用实物数量分配法分配联合成本，甲产品应分配的联合成本为( )万元。

A．360

B．240

C．300

D．450