walker ltd is an independent contractor that provides technical support services under contract to government and non government entities. the following process is used by walker ltd to process weekly payroll for hourly support and service personnel. walker ltd has a legacy computer system to which payroll personnel have online access from pc located on their desks. each week the computer print sheets using the employee payroll master data. after receiving the time sheets from It, the payroll department distributes them to various department, supervisors who give them to employees. the employees fill in the time sheets each day and give them to their supervisor at the end of each week. department supervisor reviw and sign the time sheets and return to the payroll department. Payroll clerks key the time sheet into cuurent week payroll activity data and file them alphabetically by the department.at the start of weekly payroll process the computer creates the current week day pay data using the employee payroll. preapare a table of entities and activities