International trade currently involves about ______________ worth of goods and services thundering around the globe.

Helped by desktop publishing, the number of vintage baseball card forgeries has flooded the market for vintage baseball cards. Dealers left the market for fear of purchasing a phony. What was the effect on the market for vintage baseball cards assuming phonies could not be detected?

A. Demand shifted to the left, supply did not change, price declined, and quantity traded declined. B. Supply shifted to the right, demand did not change, price declined, and quantity traded rose. C. Supply shifted to the right, demand shifted to the left, and price declined. D. Supply shifted to the right, demand shifted to the left, and price rose.

Refer to the information provided in Figure 8.4 below to answer the question(s) that follow.  Figure 8.4 Refer to Figure 8.4. If twelve microwave ovens are produced, Micro Oven's total fixed costs are

A. $25. B. $41.67. C. $50. D. $300.