Pa As A student earned grades of B, B. A, C, and D. Those courses had these corresponding numbers of credit hours: 4, 5, 1, 5, 4. The grading system assigns quality points to letter grades as follows: A = 4, B = 3, C = 2, D = 1, and F =0. Compute the grade point average (GPA) and round the result to two decimal places. Gr O A. 9.00 En O B. 2.37 CH O C. 1.37 O D. 3.46 et Pu Ac