1. If personal consumption is $100, investment is $50, government purchases total $25, imports equal $20, and exports equal $10, then GDP equals:
A. $175
B. $165
C. $155
D. $145
2. Which is an example of a normative question?
A. What are the long-term effects of unemployment?
B. How do interest rates influence employment?
C. How do unemployment rates differ among nations?
D. How should a society achieve full employment?
3. Suppose that a customer's willingness to pay for a product is $5, and the seller's willingness to sell is $2. If the negotiated price is $3, how much is consumer surplus?
A. $1
B. $2
C. $5
D. $8