Your tax clients, Jack and Diane a married couple filing a joint return, fell in love with

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Question:

Your tax clients, Jack and Diane a married couple filing a joint return, fell in love with a new construction house for sale in their small Illinois hometown. The builder offers two options on the home: purchase with 20% down or rent the home. Assume the following facts and projections when considering the analysis:

Jack and Diane both have steady jobs with a current AGI of $120,000. They anticipate annual AGI growth of 3%.
The home has a purchase price of $200,000 and is located in an area with an expected annual property value growth rate of 5%.
If Jack and Diane purchase the home, they will put 20% down and finance the remainder on a 30 year mortgage at 5.25%.
Annual property taxes on the home are 2.6% of the home’s value.
If Jack and Diane rent the home, they will invest what would have been their 20% down payment into municipal bonds paying an annual interest rate of 4%.
The home rents for 1% of the assessed property value per month.
Jack and Diane will use the home as their principal residence for all 10 years.
Regardless of their decision, Jack and Diane intend to contribute 10% of their AGI each year to their favorite qualified charitable organizations.
Jack and Diane intend to move out of the area in 10 years to support their parents in retirement.
Jack and Diane live in a state which imposes a tax on Federal AGI at 4.95%. Jack and Diane used the federal individual income tax rate brackets that were in effect in 2019 for all future years.

Using 2019 income tax brackets and assuming a Standard Deduction increase of 1.67% each year, you have created the following Tableau visualization to help Jack and Diane make a decision.

Note: the Detail pane provides a summation of values based on the selected Year and Option criteria. Use the Year sliders and Option checkboxes to update the visual during your analysis.

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