Assume total annual returns for retail properties nationally over a five-year period were 7.6%, 6.4%, 12.9%, 16.2%, and -6.3%, respectively. Determine the arithmetic and geometric mean annual returns for the series, respectively.

9.88% and 8.12%

7.36% and 6.82%.

9.88% and 7.22%

7.36% and 7.07%