Which of the following is not in the index of leading economic indicators?

Which of the following is a final good?

A) the memory chips in your new smart phone B) a share of IBM stock C) flour purchased at the store to bake cookies D) flour used by the bakery to bake cookies

If the Internet makes it easier for sellers to find buyers and makes it easier for buyers to learn about the products that are available for sale, we would expect that

a. the volume of trade will decline. b. transaction costs will rise. c. the gains from trade will increase. d. buyers and sellers will be worse off.