he following table describes theTOTAL costfrom polluting:

Firm 0 units pollution 1 unit pollution 2 units pollution 3 units pollution 4 units pollution

A 200 80 30 50 0

B 220 120 60 20 0

C 180 90 45 15 0

a) The government decides to sell SIX pollution permits. What do you expect the price to be for the 6thpermit?

b) The government gives firms A and B 3 permits each (but none to Firm C). What will they do with their permits?