I am looking for the correct answer to this general accounting question with appropriate explanations.

Carlos is retired and receives payments from various sources. The interest payments are from investments Carlos made over the past years, and he also receives benefits from a disability insurance policy that he purchased himself. Source Amount (S) Interest, bonds issued by City of Miami, FL {$5,100 Social Security benefits $11,500 Interest, U.S. Treasury notes $3,200 Interest, bonds issued by General Motors $2,600 Interest, bonds issued by Province of Ontario]$1,500 Disability insurance benefits (self-purchased)|$29,000 Distributions from a qualified pension plan |[S8,000 Calculate Carlos's gross income