Students must take an AP Sciences exam their senior year: 25% take AP Chemistry, 35% take AP Physics, 30% take AP Environmental Science and the remaining seniors take AP Biology. Of those who take AP Chemistry, 45% get accepted to their first-choice college, compared with 55% who take AP Physics, 20% who take AP Environmental Science, and 30% who take AP Biology. Use the partially completed tree diagram to fill in the indicated labels.