Irene is disabled and receives payments from a number of sources (see below). The interest payments are from bonds that Irene purchased over past years and a disability insurance policy that Irene purchased herself. Interest, bonds issued by City of Austin, Texas $4,200 Social Security benefits 9,900 Interest, U.S. Treasury bills 2,700 Interest, bonds issued by Ford Motor Company 3,900 Interest, bonds issued by City of Quebec, Canada 1,540 Disability insurance benefits 24,600 Distributions from qualified pension plan 7,500 Calculate Irene