Bill and Tessa Have Two Children Whom They Support and Who

Essay

Bill and Tessa have two children whom they support and who live in their home.Timmy is 17 and has earned income of $5,000 for the year.Their other child,Tommy,is 15.Tessa's mother also lives with them and may be claimed as their dependent.She is 89 years old.Their adjusted gross income is $130,000.
Required: Compute Bill and Tessa's taxable income for 2015 if they file a joint return and they do not itemize deductions.