Refer to the information provided in Figure 8.7 below to answer the question(s) that follow.  Figure 8.7 Refer to Figure 8.7. If Buffy gives 17 perms per day, her daily profit is

Over the twentieth century, growth in per-capita GNP was highest

A) immediately prior to the Great Depression. B) during World War II. C) during the 1960s. D) during the 1980s.

The law of diminishing marginal utility guarantees that demand curves will have positive slopes

a. True b. False Indicate whether the statement is true or false