b. GDP is at its equilibrium level
c. the loanable funds market is in equilibrium
d. the aggregate supply curve shifts upward
e. potential output has increased
Due to resource scarcity,
a. some economic activities have an opportunity cost
b. all economic activities have an opportunity cost
c. no economic activities have an opportunity cost
d. economic activities have opportunity costs equal to their market prices
e. economic activities have opportunity costs generally lower than their market prices
A Texas oil company extracts petroleum and sells it to a refinery for $1,000. After
processing, the refinery sells the gasoline to a wholesaler for $1,500, who then sells it to
a gas station for $1,700. The gas station sells it to customers for $2,500. In these
transactions, how much has been added to GDP?
a. $1,000
b. $1,500