6)
If the price decreased from $36 to $12, total revenue would
a.increase by $4,800, and demand is elastic between points X and Z.
b.increase by $7,200, and demand is elastic between points X and Z.
c.decrease by $4,800, and demand is inelastic between points X and Z.
d.decrease by $7,200, and demand is inelastic between points X and Z.
7) Tom walks Bethany’s dog once a day for $50 per week. Bethany values this service
at $60 per week, while the opportunity cost of Tom’s time is $30 per week. The
government places a tax of $35 per week on dog walkers. After the tax, what is the loss
in total surplus?
a.$50
b.$30
c.$25
d. $0
8) When demand is elastic, an increase in price will cause
a.an increase in total revenue.
b.a decrease in total revenue.
c.no change in total revenue but an increase in quantity demanded.
d.no change in total revenue but a decrease in quantity demanded.