If a perfectly competitive industry is taken over by a monopolist who has the same cost structure,

A. output will fall, price will fall, and total welfare will fall.

B. output will fall, price will rise, and total welfare will fall.

C. output will fall, price will rise, and total welfare will rise.

D. output will rise, price will fall, and total welfare will fall.

E. output will rise, price will rise, and total welfare will fall.

F. output will rise, price will rise, and total welfare will rise.