The Great Depression lead many to question the economy’s ability to self-correct.

Suppose the price of a DVD rose from $15 to $17 and the quantity demanded decreased from 1,000 per month to 900 per month. Using the midpoint formula, the ________ percent change in price led to a ________ percent change in the quantity demanded

A) 12.5; 10.5 B) 13.3; 10.0 C) 11.8; 11.1 D) 8.0; 9.5 E) None of the above answers is correct.

Refer to Scenario 7.1. The total cost to produce 50 cookies is

A) $20 B) $25 C) $50 D) $60 E) indeterminate