The firm would maximize profit by selling computers in the United States at a price of ____ and ____ computers in Japan at a price of?

1. A Option A: 200, $2,000, 100 $1,000
2. B Option B: 300, $1,800, 800 $800
3. C Option C: 300, $1,800, 400 $800
4. D Option D: 500, $1,400, 400 $800