need a program for Programming Exercise 22.4 IN Big C++ I need a program that al

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need a program for Programming Exercise 22.4 IN Big C++

I need a program that allows an instructor to keep a gradebook.  Each student has scores for exams, homework assignments and quizzes.  Grading scales convert the total scores in each category into letter grades (e.g. 100-94=A, 93-91=A-, 90-88=B, etc.)  To determine the final grade, the category grades are converted to numeric values (A=4.0, A- = 3.7, B+ = 3.3, etc.)  These scores are weighted according to a set of weights (e.g. exams 40%, homework 35%, quizzes 25%, and the resulting numeric value is again converted into a letter grade.  Design a user interface that firms up the requirements, use CRC cards to discover classes and methods, provide class diagrams, and implement the program.

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