经济成本
参考答案:
指按照机会成本计算的成本,包括显性成本(或会计成本)和隐性成本。隐性成本是指会计成本中并不计入,但属于机会成本的那部分成本。
What kind of scene might be shown in a typical regionalist painting().
A.People working in a large factory.
B.People walking on crowded city streets.
C.An everyday activity in a small town.
D.A well-known historical event.
下列命令执行后的结果是 【6】 。 STORE’GOOD BYE!’TOX LEFT(X,2),SUBSTR(X,6,2)+SUBSTR(X,6),RIGHT(X,3)