Caroline Is Retired and Receives Income from a Number of Sources.The

Caroline is retired and receives income from a number of sources.The interest payments are from bonds that Caroline purchased over past years and a disability insurance policy that Caroline purchased after her retirement.Calculate Caroline's gross income.
$\begin{array}{llcc} \text { Distributions from qualified pension plan } &\$5,400 \\ \text { Interest on bonds issued by City of Austin, Texas } &2,500\\ \text {Social Security benefits } &8,200\\ \text {Interest on U.S. Treasury bills } &2,300\\ \text {Interest on bonds issued by Ford Motor Company } &1,900\\ \text { Interest on bonds issued by City of Quebec, Canada} &2,750\\\text { Disability insurance benefits }&9,500\end{array}$