You are a data engineer helping process the grades for a very large university class. This semester there will be 4 exams. In the first week of class each student was allowed to select between two different grading plans. Plan A - In this plan, the students final course grade with be the average score of all 4 exams. With letter grades assigned as follows: A - [100, 90] B - (90, 80] C - (80, 70] D - (70, 60] F - (60, 0] Plan B - In this plan, the students final course grade will be the average of their top 2 exam scorse. With letter grades assigned as follows: B - [100, 80] C - (80, 60] D - (60, 40] F - (40, 0] has context menu
