The Pip Is 600 Dollars

If we do the round trip to san francisco, it's two thousand. The round trip to chicago is 200,. So outside of making a deal, it'll cost 22 hundred dollars to fly. But if we do the triangle route, it's a hundred dollars to get to ch Chicago. And the cost of the two round trips was 22 hundred. So that difference is 600 dollars. Who was more essential to make that 600 dollar pie, chChicago or san francisco? And are equally essential, because without either one, there wouldn't be a deal. Therefore, each side should be 300 dollars ahead.