iTunes charges British customers 20 percent more than customers in France and Germany. Apple defended the price difference, saying that the "underlying economic model in each country has an impact on how we price our track downloads." An economist would say that Apple is engaged in:

Which of the following statements is true about the income elasticity of demand?

A) The income elasticity of demand for normal goods is always zero. B) The income elasticity of demand for inferior goods is always zero. C) The income elasticity of demand for normal goods is always positive. D) The income elasticity of demand for inferior goods is always positive.

The stockholders of a corporation have ________ liability and ________ required to pay all of the firm's losses

A) limited; are B) limited; are not C) unlimited; are D) unlimited; are not