In SAP HCM Payroll for SAP S/4HANA, the operation TSDIVP (Time Schedule Division Period) is used to query the average working hours per pay period for each partial period in table PARTT. This operation calculates the average working hours by dividing the total working hours by the number of pay periods. It takes into account the specific time schedule and partial periods to provide an accurate calculation.

References = 

https://stackoverflow.com/questions/35907459/how-to-get-the-total-working-hours-for-employees-with-sql-server

https://stackoverflow.com/questions/20004156/hours-and-average-hours-worked-per-day-by-department

Here's why these define schema attributes in SAP HCM:

• Country Grouping:SAP HCM is designed for multinational use, and schemas are intrinsically linked to specific countries to ensure calculations adhere to local payroll regulations.
• Program Class:This attribute determines whether the schema will be used within Payroll Calculations (class C) or Time Management (class T). This distinction is crucial for how the rules within the schema will be processed by the system.

• AP (Paid Absences):Counting classes designated as 'AP' are used to track paid absences. Calculations using these counting classes will affect an employee's payroll.
• AU (Unpaid Absences):Counting classes designated as 'AU' are used to track unpaid absences. Calculations using these counting classes won't generally impact payroll directly but might affect things like entitlements or reporting.

Why the other options are incorrect:

• SA, KA: While 'SA' and 'KA' might be valid counting class types within a specific SAP HCM implementation, they are not standard classifications across all systems

 The function DAYMO (Day Grouping for Time Wage Type Selection) can use four parameters: PAR1, PAR2, PAR3, and PAR4. These parameters are used to specify the day grouping for time wage type selection, which determines how the entries of table T510S (Time Wage Type Selection) are checked for different types of days, such as working days, Sundays, and public holidays. The parameters are defined as follows:

• PAR1: Day grouping for working days
• PAR2: Day grouping for Sundays
• PAR3: Day grouping for public holidays
• PAR4: Day grouping for other days

The values of the parameters are numerical codes that correspond to the entries in table T510S. For example, if PAR1 is set to 1, then the function DAYMO will check the entries of table T510S that have the value 1 in the field Day grouping for time wage type selection. If no entry is found, then the function DAYMO will check the entries that have the value 0 in the same field. If PAR1 is set to 0, then the function DAYMO will check only the entries that have the value 0 in the field Day grouping for time wage type selection.

The function DAYMO is usually called in the subschema TC00 (Wage Type Generation: International) or TC04 (Wage Type Generation International for Time Evaluation Without Clock Times) before the function ZLIT (Cumulate Time Wage Types), which reads the time wage types from table ZL (Time Wage Types) and cumulates them according to the cumulation class and the cumulation wage type. References =

• SAP Help Portal: Function DAYMO
• SAP Community: function daymo

 The processing class 01 is used to determine into which valuation basis (for example mzd /001) the wage type is to be read1. This is done in rule CZ101. At the moment of processing, wage types from IT 0008 areavailable1. References = https://help.sap.com/docs/ERP_HCM_SPV/659325223d7d437388161c0c4da88ef6/12af7053e4960150e10000000a44176d.html

In SAP HCM Payroll for SAP S/4HANA, employees are grouped for use in personnel calculation rules (PCRs) using the customizing table V_001P_K. This table is used to set the employee subgroup grouping for personnel calculation rules regardless of its current value

https://community.sap.com/t5/enterprise-resource-planning-blogs-by-members/payroll-operations/ba-p/13241690

 The calculation rule X018 is used to calculate the average of the wage type based on the cumulative values stored in the AMT and NUM fields. The operation X018 divides the AMT field by the NUM field and stores the result in the RTE field. This operation is usually performed after the cumulation of the wage type values using the ADDCU operation. The X018 operation is relevant for the valuation of time wage types according to the principle of averages, which is used for payroll and leave valuation. References = Payroll Operations, Payroll Schema, SAP HCM Payroll for SAP S/4HANA, Free SAP HCM Payroll for SAP S/4HANA Certification Sample Questions and Answers, Work Schedule Rule