6. Exchange rates determind by ?
A. the presence or absence of trade barriers
B. banks, labor unions, and non-profit organizations
C. the relative scarity of a good or service
D. market prices of one country's currancy in another country's currancy
7. A small town has one pizza place. It charges $15 for a large one-topping pizza. One spring, a new pizza place opens. The original pizza place changes its price. What is most likely the new pizza place?
A. $12
B. $16
C. $18
D. $20
8. Which of these is an example of price competition?
A. a new advertising campaign
B. a loyalty rewards program
C. a special holiday sale
D. a customer satisfaction survey