29
Procedure
Key operation
Display
Enter the total number
of payments.
s
18
N
18~N
1800
Enter the future value.
300000
T
3—————~FV
30000000
Set the present value to
zero.
0
v
—~PV
000
Enter the annual inter-
est rate.
3.6
f
3.6~I/Y
360
Calculate payment.
@
u
PMT=
-1624570
Answer:
The monthly investment should be $16,245.70.
Annuity
due
Your company wishes to obtain a computer system with a value of
$2,995. The same system may be leased for 24 months at $145 per
month, paid at the beginning of each month. At the end of the lease,
the system may be purchased for 10% of the retail price. Should
you lease or purchase the computer if you can obtain a two-year
loan at 7.2%, compounded monthly, to purchase the computer?
N = 24
. . . . . .
PV = $2,995
I/Y = ?%
FV = $2,995
×
10% = $299.5
PMT = –$145
Procedure
Key operation
Display
Set all the variables to
default values.
.
b
000
Set to annuity due
(
BGN
is displayed).
.
"
000
Set the number of pay-
ments per year to 12.
.
w
12
Q
P/Y=
1200
2
3 Financial FunctionsCurrent.indd 29
3 Financial FunctionsCurrent.indd 29
06.7.10 8:38:20 PM
06.7.10 8:38:20 PM