Suppose a college student has to fill their schedule with one more elective class. Their first choice is taking Introduction to US Film History, then Psychology, and their least favorite option would be Introduction to US Economics. They were approved to take Introduction to US Film History and chose to add that to their schedule. Which of the following is the student's opportunity cost of that choice? Group of answer choices Psychology Introduction to US Economics The cost of tuition for the class The time spent studying for the class