Jack's portfolio earned returns equal to 14%, 9%, -2%, and 15% over the past four years. Given this information, during this 4-year period, Jacks portfolio earned arithmetic and geometric average returns of:

select one:

• 9.88%; 9.00%

• 8.78%; 9.00%

• 9.00%; 8.78%

• 9.88%; 8.78%

• 9.00%; 9.88%