Benny spends all of his money buying wine and cheese. diminishing marginal utility applies to both goods. the marginal utility of the last bottle of wine he bought is 60, and the marginal utility of the last block of cheese he bought is 30. the price of wine is $3, and the price of cheese is $2. benny: should buy more cheese and less wine. is spending too much money on wine and cheese. is buying wine and cheese in the utility-maximizing amounts. should buy more wine and less cheese.

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.