A market that follows the price leadership of a barometric firm has the following demand function:

Q=1400-2P

The follower firms have the following aggregate marginal cost function:

MCf=100=0.5Qf

The barometric firm has a horizontal marginal cost curve equal to $300.

The barometric firm will choose a price of $____and an output of____, and the follower firms will follow by producing an output of____.