Which of the following personnel calculation rules does the system use in the subschema of...

The personnel calculation rules used in the subschema of XAL9 for factoring and storage are typically designed to handle specific country-related factoring and valuation scenarios. While the exact rules can vary based on the country and the specific requirements of the payroll system, generally, rules like XVAL (for valuation) and XPPF (for partial period factoring) could be involved in such processes1.

Therefore, the correct answers could be: C. XPPF D. XVAL

These rules help in calculating the correct pay for periods where employees have variable pay due to factors like absences or changes in work schedule. It’s always best to refer to the specific system documentation or configuration for the precise rules used in a given scenario.