John received A in MATH 146 (3 credits), C in MATH141 (3 credits), B in MATH 099 (4 credits) and D in MATH 107 (2 credits). Let A = 4 grade points B = 3 grade points C = 2 grade points D = 1 Grade point

1) Find the numerical value of the grade point average.

2) Write the answer as a numerical value and as a letter grade, i.e., A, A-, B+, B, B-, C+, C, C-, D+, D, D-