A function called Grader that takes a numeric score and returns a letter grade. Grader has one rgument of type integer and returns a value of type char. Use the rule that 90 to 100 is an A, 80 to 0 is a B, 70 to 79 is a C, and less than 70 is an F. The greatest common divisor of two positive integers is the largest integer that divides them both. For example, the greatest common divisor of 9 and 6 is 3. Write a function declaration for a inction with two integer arguments that returns their greatest common divisor. Write a function that accepts a character argument and returns 1 if the argument is a valid etter(a-z/A-Z), otherwise returns 0. Write a function declaration for a function that computes interest on a credit card account balance he function has arguments for the initial balance, the monthly interest rate, and the number of onths for which interest must be paid. The value returned is the interest due. Do not forget to ompound the interest, that is, to charge interest on the interest due. The interest due is added into e balance due, and the interest for the next month is computed using this larger balance. Write a function that accepts a numeric argument (N) and returns the factorial of N. reate a main menu for function testing.

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 implement pass-by-value parameter passing method.

USE C LANGUAGE

Objectives:
To implement pass-by-value parameter passing method.
Description
Implement the following:
- A function called Grader that takes a numeric score and returns a letter grade. Grader has one
argument of type integer and returns a value of type char. Use the rule that 90 to 100 is an A, 80 to
90 is a B, 70 to 79 is a C, and less than 70 is an F.
- The greatest common divisor of two positive integers is the largest integer that divides them both.
For example, the greatest common divisor of 9 and 6 is 3. Write a function declaration for a
function with two integer arguments that returns their greatest common divisor.
-Write a function that accepts a character argument and returns 1 if the argument is a valid
letter(a-z/A-Z), otherwise returns 0.
Write a function declaration for a function that computes interest on a credit card account balance.
The function has arguments for the initial balance, the monthly interest rate, and the number of
months for which interest must be paid. The value returned is the interest due. Do not forget to
compound the interest, that is, to charge interest on the interest due. The interest due is added into
the balance due, and the interest for the next month is computed using this larger balance.
Write a function that accepts a numeric argument (N) and returns the factorial of N.
Create a main menu for function testing.
Transcribed Image Text:Objectives: To implement pass-by-value parameter passing method. Description Implement the following: - A function called Grader that takes a numeric score and returns a letter grade. Grader has one argument of type integer and returns a value of type char. Use the rule that 90 to 100 is an A, 80 to 90 is a B, 70 to 79 is a C, and less than 70 is an F. - The greatest common divisor of two positive integers is the largest integer that divides them both. For example, the greatest common divisor of 9 and 6 is 3. Write a function declaration for a function with two integer arguments that returns their greatest common divisor. -Write a function that accepts a character argument and returns 1 if the argument is a valid letter(a-z/A-Z), otherwise returns 0. Write a function declaration for a function that computes interest on a credit card account balance. The function has arguments for the initial balance, the monthly interest rate, and the number of months for which interest must be paid. The value returned is the interest due. Do not forget to compound the interest, that is, to charge interest on the interest due. The interest due is added into the balance due, and the interest for the next month is computed using this larger balance. Write a function that accepts a numeric argument (N) and returns the factorial of N. Create a main menu for function testing.
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