Wealthy professors are more likely to shop at high end stores ...

[jace]

Wealthy professors are more likely to shop at high end stores with shorter wait times at the cashier than poor students because
 a. They value the item more than the student
 b. They like wasting money
 c. The opportunity cost of waiting in a cashier line is higher for professors than for undergraduate students
  d. They like to show off

Question 2

Upon acquiring a complement the inter-relatedness of demand leads to, MR________
 a. Rising
 b. Falling
 c. Staying constant
 d. None of the above

[DHRUVSHAH]

Answer to Question 1

c

Answer to Question 2

a