Pattyhas just completed her second semester in college. She earned a grade of Upper Ain her 1-hourdiscrete mathcourse, a grade of Upper Din her 5-hourgovernmentcourse, a grade of Upper Bin her 1-hourengineeringcourse, and a grade of Upper Cin her 4-hourphilosophycourse. 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 Patty'sgrade-point average for the semester.