A profit maximizing single-price monopolist sets price equal to marginal cost

If real GDP in a small country in 2015 is $8 billion and real GDP in the same country in 2016 is $8.3 billion, the growth rate of real GDP between 2015 and 2016

A) is 3.0%. B) is 3.6%. C) is 3.75%. D) cannot be determined from the information given.

Vertical contracts that aim to decrease retailer prices typically

a. Benefits the consumers, manufacturers and retailers b. Hurts all the manufacturers, consumers and retailers c. Benefit the manufacturer, hurt the consumer and retailer d. Benefit the retailer, hurt the manufacturer and consumer