The Jellybean Jenny House

PreCalc Finance Project Scenario

Jenny the Bank teller

Jenny can afford $936.58 each month to pay for a mortgage. This $936.58 represents 50% of her net income of $1873.17 after paying her $230.16 for her student loans and taking away 30% for taxes from her gross annually salary of $40,000. I believe 50% of her net income is enough to cover all other miscellaneous expenses (i.e. food, entertainment, insurance, utilities, etc.).


The Actual House

The Calculations

Jenny can afford to borrow $184,197.90 if she spends the entire $936.58 per month for a 30-year fixed mortgage using the current Kansas City average of 4.53% annual interest.


The current Kansas City average is 4.53% annual interest for a 30-year fixed mortgage.


The minimum payment required each month would be $936.58 but this includes principle payments.


If Jenny increased her monthly payment to $1077.07 ($936.58 * 1.15), she would reduce her payment by 7 years (275.3010142 payments instead of the full 360 payments) and she would save $40,650.34 in interest ($337,168.80 - $296,518.46 note below).



Note: $936.58 * 360 payments = $337,168.80 and $1077.07 * 275.3010142 payments = $296,518.46