The course credit hours and grades for a student's fall semester at college are given in the table below. At the college, an A is worth six quality points, a B four points, a C two points, and a D one point. The grade-point average at the college is calculated as a weighted average, with quality points for each course weighted by the credit hours for that course. What is the student's grade-point average?

Credit hours: 3. 4. 2. 5. 5. 2

Grade: B. A. D. A. C. D

The student's grade-point average is?