When the same PERFORM paragraph is duplicated across dozens of COBOL programs, what best prepares the portfolio for efficient transformation?

Think of it like working hands-on with IBM mainframe systems — the answer here is 'Leave all copies in place and let wca4z generate a separate Java method for each occurrence independently'. Extracting a common paragraph into a shared COBOL utility before transformation means wca4z generates one shared Java utility method rather than dozens of duplicates, producing a more maintainable cod. On real mainframe exams, this concept comes up repeatedly so make sure you have it locked in.