time clarifying options and looking at costs. In examining possibilities for substitution, economists look at costs andbenefits at the margin.
경제학자들은 그들의 개인주의적 접근방식 때문에, 사회적 문제들을 해결하기 위해 시장에 의지하는 경향이 있다. 문제를 분석하는데 있어서, 경제학자들은 선택할 수 있는 조건들을 명확화
and has the highest probability, to calculate the estimate of annual cost of producing 10-in. and 12-in. pipe in-house.
Choosing the “most likely figure” seems to be a good and right decision, but actually it is not. It would be simple and easy to calculate but it has problems that it totally ignores other lower-probability cases. The most sales’ case is fine but what if annual sales turn
3. Columns 4 to 7 indicate, for each item, the purchase unit which is the size of the shipping container (ground beef comes in 10-pound bag), number of purchase units (there are six 10-pound bags in a purchase unit of ground beef), cost per unit (a 10-pound bag of ground beef costs $28.50-or $2.85 per pound), and total cost of the item (six 10-pound bags of ground beef at $28.50 equals $171).
and pony show(겉만 번지르르한), Jumping through hoops(남이시키는대로하는), Waste of time(시간낭비), Constantly under watch(항상 감시하에 놓임), Negative(부정적).......
③ 수업(instruction)에서의 장학은 주로 교사를 통제하는 도구로서 인식됨.
④ 장학(supervision)의 정의 : 관찰하다(watch over), 지시하다(direct), 살피다(oversee
and fight for advertisement revenue and consumer attention. (See Figure 1) The next generation of media, which is the DMB(Digital Multimedia Broadcasting), is now threatening the rest of the media.
(Figure 1)
2.What is DMB (Digital Multimedia Broadcasting)?
DMB is a new kind of Convergence Service that is a combination of the characteristics broadcasting to public or private which can be