4. a. What does it mean to be a 'rational' consumer? (2 points) b. According to utility theory, what information do consumers need in order to make rational decisions? (2 points) c. Read the articles "We are all irrational panic shoppers' and 'There's plenty of toilet paper' on Moodle (in the week of March 31-April 6.) What do these articles reveal about consumer behavior in the presence of a pandemic or other crisis? which of the alternative explanations of human behavior do you think best explains the consumer behavior described in these two articles? In your answer, you should refer to the chapter excerpts on consumer behavior in the Moodle file labeled "Schneider_Consumer Behavior'I for the week of March 31-April 6