个人存款挂失业务按挂失的业务处理流程分为（）。
A.临时挂失
B.挂失止付
C.挂失后续处理
D.挂失撤销
E.永久挂失
参考答案：B, C, D
“大医精诚”篇的作者是
A．李时珍
B．华佗
C．张仲景
D．孙思邈
E．施今墨
Given the following inventory data about a firm: Beginning inventory 20 units at $ 50/unit Purchased 10 units at $45/unit Purchased 35 units at $ 55/unit Purchased 20 units at $ 65/unit Sold 60 units at $ 80/unit What is the inventory value at the end of the period using FIFO（）
A. $3100.
B. $3475.
C. $1575.
