The study of how a particular firm might choose to maximize its profits would fall into what type of analysis?

The tax incidence on sellers is higher if ________

A) the buyers and sellers of a good are equally sensitive to price changes B) the buyers are more sensitive to price changes than the sellers C) the sellers are more sensitive to price changes than the buyers D) the number of buyers in a market is larger than the number of sellers

If the interest rate is 7 percent, $500 received at the end of nine years is worth how much today?

A. 500 B. 500/(1 + .07)9 C. 500/(1 + 7)9 D. 500/(0.07)9