Social Security Disability Protection Sandra Hilton of Sisseton, South Dakota, age 60, recently was in a vehicle accident, was hospitalized, and then suffered a heart attack. She took a leave of absence from her long-time job as a data analyst for an environmental lobbying firm to recuperate. Using Appendix B.1 answer these questions: a. If her earnings averaged $80,000, what would be her monthly Social Security disability benefit? Round your answer to the nearest dollar. b. If her earnings instead averaged $95,000, what would be the monthly benefit? Round your answer to the nearest dollar