Bonnie saved $1300 to spend on an amazing trip. She is using the Quantitative Reasoning Process to decide which kind of trip to take. She is now at the step where she is identifying key variables and making key assumptions. Which of the following activities would Bonnie do in this step? Group of answer choices Narrow her choice to three possible trips to make calculations easier, then list major cost categories that could change such as transportation, lodging, activities, and food. Decide which trip best meets her budget and preferences. Look at the pictures she took on her trip and think about how she can better stay under her budget the next time she travels. Forget planning and book a one-way flight to Thailand in first class for $1250. Add up all her estimates for transportation, lodging, activities, and food then subtract the total from $1300 for each possible trip