Elizabeth is planning a high school reunion at the city park. When researching the weather, she found that there was a 15% chance that it would rain on the selected weekend. However, if it did rain, it would be a disaster -- they would have to rent a tent to cover the seating area, they wouldn't have any indoor space for the caterer, and their DJ wouldn't be able to perform. Which of the following lists the corresponding degree of probability and the level of impact that a rainy weekend would have? a. High probability and medium negative impact
b. High probability and high negative impact
c. Low probability and high negative impact
d. Medium probability and medium negative impact