Mark Strong retires early and will have no income other than his portfolio income. He believes he will need $125,000 in before-tax income per year to cover his living expenses. Mark commits to paying $12,000 per year of his mother's living expenses and plans to gift his brother a one-time present of $45,000. Mark has $2 million in investable assets and inflation is expected to be 2.2%. Mark's return objective is closest to:

a. 6.3%

b. 9.2%

c. 9.8%