Clarissa has just completed her second semester in college. She earned a grade of D in her 1-hour discrete math course, a grade of C in her 2-hour economics course, a grade of C in her 2-hour chemistry course, and a grade of C in her 4-hour studio art 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 Clarissa's grade-point average for the semester. Clarissa's grade point average is (Round to two decimal places as needed.)