In the weekly computer run to prepare payroll checks, a check was printed for an employee who had been terminated the previous week. Which of the following controls, if properly utilized, would have been most effective in preventing the error or ensuing its prompt detection?

Multiple Choice

Use of a header label for the payroll input sheet.

Use of a check digit for employee numbers.

Requiring the treasurer's office to account for the numbers of the prenumbered checks issued to the computer department for the processing of the payroll.

A control total for hours worked, prepared from time cards collected by the timekeeping department.