Jamie has just completed her second semester in college. She earned a grade of A in her 5-hour discrete math course, a grade of D in her 1-hour sociology course, a grade of B in her 1-hour biology course, and a grade of A in her 2-hour philosophy course. Assuming that A equals 4 points, B equals 3 points, C equals 2 points, D equals 1 point, and F is worth no points, determine Jamie's grade-point average for the semester. Jamie's grade point average is (Round to two decimal places as needed.)