Leakages are greater than injections when total planned expenditures exceed real GDP

Refer to the table above. What is the shortage in the market when the price of a notebook is $3?

A) 4 units B) 10 units C) 16 units D) 20 units

Because central banks have not been willing to give up their option of intervening in the foreign exchange market, the current international financial system can best be described as a

A) variable-pegged exchange rate system. B) moving-pegged exchange rate system. C) hybrid of a fixed exchange rate and flexible exchange rate system. D) flexible-exchange, dollar-pegged exchange rate system.