Your Economics Professor Has Announced the Following Grading Policy: for Each

Multiple Choice

Your economics professor has announced the following grading policy: For each exam,the highest score in the class will be entered as a 100%;all other scores will be entered as the percent of that top score.For example,if the highest test score is 50 out of 100,it will be counted as a perfect paper,and exams with a score of 40 out of 100 will be entered as an 80%.The final grade for the course will be determined using these adjusted percentages,with 90% and above an A,80% and above a B,70% and above a C,and below 70%,not passing.
Refer to the information given above.This grading scheme:

A) uses an absolute standard.
B) uses a relative standard.
C) is too confusing to adequately motivate students.
D) is designed to discourage competitive over-studying.