If the seller of a used car offers a limited warranty, the warranty is an example of a(n)

In general, in the 19th century, America

(a) was a low tariff nation because it was believed that free trade brought specialization, efficiency and more rapid economic growth. (b) was a nation that kept its tariffs at about the same levels as England so as not to give the British an advantage. (c) was a high tariff nation which believed, from the days of Alexander Hamilton, that America's industry needed protection from the more industrially advanced England. (d) had a moderate level of tariffs, compared with England, whose main purpose was to provide the federal government with revenues.

The goal of the business firm is maximization of ____, and the goal of the consumer is maximization of ____

a. total sales; income b. total profit; utility c. total output; utility d. total sales; utility