Question

Suppose John and James receive great satisfaction from their consumption of Rocky Rococo Pizza. John would be willing to purchase only one slice and would pay up to $14 for it. James would be willing to pay $19 for his first slice, $15 for his second slice, and $12 for his third slice. The current market price for Rocky Rococo pizza is $12 per slice. Assume that Madison City government places a $3 tax on each slice of pizza and that the new equilibrium price is $15. What is John's consumer surplus from pizza