accounting systems

Upon receipt of a group of time cards, the data entry clerk counted the total number of time cards, added the employee number on each time card in the group to come up with a total, and added the total hours worked for each time card in the group to come up with another total. The clerk wrote down each of these totals. Which of the following total(s) would help detect inputting the wrong number of hours for one or more of the timecards? Select one: O Count of cards Total of employee numbers O Total of hours worked O Both a count of cards and a total of employee numbers O Both a count of cards and a total of hours worked Both a total of employee numbers and a total of hours worked O Count of cards, total of employee numbers and total of hours worked