ECON 問題

我想請教下以下兩條 經濟 問題

1) Many people die each year waiting for organ transplants. One way to end the
shortage could be to have a market for organs so they could be bought and
sold. This issue can be seen as involving a conflict between the criteria of:
A. Equity and efficiency
B. Equity and stability
C. Stability and efficiency
D. Equity and growth
E. Growth and efficiency

2) The cost for printing pamphlets is $100 for 100 copies and $150 for 200
copies. The first 100 copies are more expensive because the cost includes:
A. The opportunity cost
B. The marginal cost
C. Sunk costs
D. All of the above
E. A and C only