The value of a basket of goods and services was $1,500 in 2010 and $1,800 in 2012 . If 2010 was the base year, the price index for the year 2012 was _____

Which of the following pricing practices, if proved, would prove a firm engaged in predatory pricing?

A) The firm sets prices below marginal cost per unit. B) The firm sets prices below sunk cost per unit. C) The firm sets prices below total cost per unit. D) The firm sets prices low enough to drive all its competitors out of business. E) None of the above would prove predatory pricing had occurred.

The problem of "double marginalization" is

a. The retail price being too low due to an exclusion of both manufacturer and retailer markup b. The retail price being too high due to an inclusion of manufacturer markup c. The retail price being too high due to an inclusion of both manufacturer and retailer markup d. The retail price being too high due to an exclusion of retailer markup