[单选]If Gina sells a shirt for $40, and her producer surplus from the sale is $32, her cost must have been
A. $72.
B. $32.
C. $8.
D. We would have to know the consumer surplus in order to make this determination.
[单选] If the supply curve is S, the demand curve is D, and the equilibrium price is $100, what is the producer surplus?BIAOGE
A. $625
B. $1,250
C. $2,500
D. $5,000
[单选] If the demand curve is D and the supply curve shifts from S’ to S, what is the change in producer surplus?BIAOGE
A. Producer surplus increases by $625.
B. Producer surplus increases by $1,875.
C. Producer surplus decreases by $625.
D. Producer surplus decreases by $1,875.
[单选]Producer surplus directly measures
A. the well-being of society as a whole.
B. the well-being of buyers and sellers.
C. the well-being of sellers.
D. sellers’ willingness to sell.