The first term in each pair is negative; the second is a positive term that is sometimes substituted for it. Which of the positive terms seem ethical? Which seem unethical? Briefly explain your choices.
Cost .......... investment
Second mortgage . home equity loan
Tax .......... user fee
Nervousness ....... adrenaline
Problem ........ challenge
Price increase ..... price change
For-profit hospital . tax-paying hospital
Used car ....... pre-owned car
Credit card fees .... usage charges