HP 10bII - Page 50

50 4: Picturing Financial Problems
<RXFDQFDOFXODWHDQ\YDOXHDIWHUHQWHULQJWKHRWKHUIRXU&DVKIORZ
GLDJUDPVIRUORDQVPRUWJDJHVOHDVHVVDYLQJVDFFRXQWVRUDQ\FRQWUDFW
ZLWKUHJXODUFDVKIORZVRIWKHVDPHDPRXQWDUHQRUPDOO\WUHDWHGDV790
SUREOHPV)RUH[DPSOHIROORZLQJLVDFDVKIORZGLDJUDPIURPWKH
ERUURZHU·VSHUVSHFWLYHIRUD\HDUPRUWJDJHZLWKD
SD\PHQWRIDWDQQXDOLQWHUHVWZLWKDEDOORRQ
SD\PHQW
2QHRIWKHYDOXHVIRU3930 7)9
FDQEH]HUR)RUH[DPSOHIROORZLQJ
LVDFDVKIORZGLDJUDPIURPWKHVDYHU·VSHUVSHFWLYHIRUDVDYLQJVDFFRXQW
ZLWKDVLQJOHGHSRVLWDQGDVLQJOHZLWKGUDZDOILYH\HDUVODWHU,QWHUHVW
FRPSRXQGVPRQWKO\,QWKLVH[DPSOH307
LV]HUR
7LPHYDOXHRIPRQH\FDOFXODWLRQVDUHGHVFULEHGLQWKHQH[WFKDSWHU
12345
...
I/YR = 7.5%
PMT = -1,041.40
PV = 150,000.00
FV = -10,000.00
N = 360 (30
× 12)
357 358 359 360
12345
...
I/YR = 8.00%
PMT = 0.00
PV = -17,000.00
FV = 25,327.38
N=60
56 57 58 59 60
.book Page 50 Wednesday, June 21, 2000 5:19 PM