A Fishing Boat Owner Sells Her Entire Catch of 8,000

A fishing boat owner sells her entire catch of 8,000 fish and maximizes profit that is equal to $4,000. Suppose fish prices increase and she now sells 10,000 fish. If fish prices increased by $1 per fish, what do you need to know to calculate her new average totalcost?

A) average fixed cost
B) change in average variable cost
C) change in total variable cost
D) how many fish she catches
E) how much profit is made