Refer to the above figures. A negative externality exists that has not been corrected. Price and quantity will be

The above figure shows the marginal social benefit and marginal social cost curves of doughnuts in the nation of Kaffenia. What is the marginal social cost of producing the 200th dozen doughnuts each day?

A) $10.00 per dozen B) $8.00 per dozen C) $6.00 per dozen D) $4.00 per dozen

Refer to Figure 3-7. Assume that the graphs in this figure represent the demand and supply curves for mustard and that bratwurst and mustard are complements. What panel describes what happens in this market when the price of bratwurst falls?

A) Panel (a) B) Panel (b) C) Panel (c) D) Panel (d)