Requirements In which of the following situations would the taxpayer realize taxable income? a. A mechanic performs work on his own automobile. The mechanic would have charged a customer $400 for doing the same work. b. A mechanic repairs his neighbor's personal automobile. In exchange, the neighbor, an accountant, agrees to prepare the mechanic's tax return. The services performed are each worth $200. c. A mechanic repairs his daughter's automobile without any charge.

The media specialist suggests a library reading program that will correlate highly with the teaching program and reward the students as they read. the rewards will be provided by the business community. a pencil carrier will be the reward for having read 25 books, a baseball cap the reward for having read 30 books, a tee shirt for 50 books, and a backpack for having read 100 books. the media specialist's suggestion is based on her knowledge that:

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.

What would not cause duff beer’s production possibilities curve to expand in the short run? a. improved manufacturing technology b. additional resources c. increased demand