Refer to the information provided in Table 2.1 below to answer the following question(s).
Table 2.1?KrystalMarkWriting Poems812Writing TV Commercials24Refer to Table 2.1. For Krystal, the opportunity cost of writing four TV commercials is ________ poems.

Assuming that firms do not collude, compare the market outcome under oligopoly with the outcome under monopoly

What will be an ideal response?

In the four decades from 1860 to 1900, the U.S. population nearly tripled. Real Gross Domestic Product (GDP)

(a) fell by more than the amount by which the population increased. (b) fell by the same amount by which the population increased. (c) rose at about the same rate as the population increase. (d) increased by even more than the population increase.