Capital flows between countries are smaller than in past decades in absolute terms

If a country runs a deficit in its current account, it is because

a. exports exceed imports b. imports exceed exports c. net unilateral transfers are negative d. foreign currency received from exports and transfers exceeds the foreign exchange needed to pay for imports and to make unilateral transfers e. foreign currency received from exports and transfers is less than the foreign exchange needed to pay for imports and to make unilateral transfers

Suppose the price of a bag of tortilla chips decreases from $3.00 to $2.50 and, as a result, the quantity of tortilla chips demanded increases from 200 bags to 300 bags. Using the midpoint method, the price elasticity of demand for tortilla chips in the given price range is

a. 0.33. b. 0.45. c. 2.20. d. 3.00.