A Programmer Notices That the Following Code Snippet Uses the Same

question 88

Multiple Choice

A programmer notices that the following code snippet uses the same algorithm for computing interest earned, but with different variables, in the two places shown below and in several other places in the program. What could be done to improve the program?
Final double RATE1 = 10;
Final double RATE2 = 5.5;
Double interest = investment * RATE1 / 100;
) . .
Balance = balance + balance * RATE2 / 100;

• A) Declare the rates as variables, not constants.
• B) Define a method that looks up interest rates.
• C) Define a method that prompts the user for an amount and a rate of interest, then returns the interest earned.
• D) Define a method that computes the interest earned from an amount and a rate of interest.

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