My course grades are complete and the total column is displaying the grades based on total points; however, the letter grade displayed is wrong. It is based on percentages. I wen to edit the grading scheme, but there is no option to have the grading scheme calculate the letter grade based on points. It only allows percentages. How can I change this? How can I display the correct letter grades for students. E.g. A student's total points is 93.48 points which is an A, but the percentage grade is 91.65% an A-. How can I get the grading scheme to use total points and not percentages?