Analyze the following Python function and refactor it to improve readability and adhere to PEP 8 standards. Ensure variable names are descriptive, add docstrings where necessary, and simplify any overly complex logic without changing the function's output. Do not execute the code, only provide the refactored version. [Code Placeholder: def calc(a,b,c): x=0; for i in range(len(a)): if a[i]>b: x+=c[i]; return x]