Time-Value-of-Money and Amortization Worksheets 39
Example: Computing Payment, Interest, and Loan Balance After a Specified Payment
A group of sellers considers financing the sale price of a property for
$82,000 at 7% annual interest, amortized over a 30-year term with a
balloon payment due after five years. They want to know:
Amount of the monthly payment
Amount of interest they will receive
Remaining balance at the end of the term (balloon payment)

Computing the Monthly Payment

Display 2nd year amortization data. #
#
#
BAL=
PRN=
INT=
117,421.60*
_-1,507.03*
-7,242.53*
Move to P1 and press % to enter
next range of payments.
# %P1= 22.00
Display P2.#P2= 33.00
Display 3rd year amortization data. #
#
#
BAL=
PRN=
INT=
115,819.62*
-1601.98*
-7,147.58*
To Press Display
Set all variables to defaults. & } ! RST 0.00
Set payments per year to 12. & [ 12 !P/Y= 12.00
Return to standard-calculator
mode.
& U 0.00
Enter number of payments
using payment multiplier.
30 & Z , N= 360.00
Enter interest rate. 7 -I/Y= 7.00
Enter loan amount. 82000 .PV= 82,000.00
Compute payment. % / PMT= -545.55
To Press Display