1. Price elasticities of demand are especially useful for managers because managers:

(A) can use elasticities to make revenue forecasts

(B) because managers have some flexibility in setting prices

(C) because managers can use price elasticities to simulate the effects of changing prices

(D) all of the above

2. A basic cultural truth is that

a. Our way is the best way

b. Our way is not the only way

c. Western culture leads others

d. Power to those who take it