The amount that people are willing to pay for each additional unit of a product or service is the
a.
opportunity cost
b.
marginal benefit
c.
marginal cost
d.
investment opportunity

What sources about ecuador should you consult to obtain cultural information about this country that will need to be included in your cultural map?

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

Arestaurant that creates a new type of sandwich is using (blank) as a method of competition.