3. (18 points) A student earned the following grades in her college classes during a particular semester. B+ C- D+ A C A- These courses had the corresponding credit hours listed below. 3 4 2 1 4 3 The grading system in this college assigns quality points to letter grades as follows. A = 4.0 C=2.0 A-= 3.7 C- = 1.7 B+ = 3.3 B=3.0 D+ = 1.3 D= 1.0 B-= 2.7 F = 0.0 C+= 2.3 Compute the student's grade point average (GPA) for these classes. You must show your work. Round your answer to two decimal places.