Twinte Cars, a California corporation, has internal corporate requirements that stipulate a three-year payroll document retention period. They enter into a contract with an international company that mandates a six-year payroll document retention requirement. How should Twinte Cars balance these requirements? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)

the shorter period is more cost effective
the period for retention could be up to 8 years depending upon the circumstances.
the benefits and records may be called to evidence