Fixed Rate Mortgage VS Interest Only Option Team 4 Matthew Dwight Toan Duong Shane Carlson
Scenario #1: Fixed Rate Mortgage $300,000 Home Down Payment: $ % Fixed Rate 30 years of paying the same payment - $18990/year
Scenario #2: Interest Only Option Same as Scenario #1 except: First 10 Years –Interest Only – $15390/year Last 20 Years – Fixed Rate Loan - $22970/year
Constants in Scenarios Fixed Output – Minimize Input Salary is estimated to be $55k/year + 3% each year for tax calculation Assuming house averages 9%/year return average over 30 years. House Future Value = ~ 4 Million. Tax breaks according to current federal law
Tax Breaks Incremental Tax Structure Taxable Income<$7500 a year 10% Tax $7500<Taxable Income<$29700 $750 plus 15% over $7500 … and so on. Mortgage Loan Interest Tax Break Taxable Income = Income – Interest On Mortgage More Income Means Better Mortgage Tax Break
Comparative Tax Break Interest Only Mortgage has $13700 more in tax savings
Net Present Worth Analysis Difference: ~$9000 Difference: ~$11000
Net Present Worth Analysis
Sensitivity To Salary Change
Sensitivity To Interest Rate Change
Conclusion Interest only options are economically reasonable Depends heavily on Minimum Acceptable Rate of Return. As salary goes up, interest only is better. As interest rates go up, fixed rate gets better. Very sensitive to government tax breaks
References