Procedure

 

 

Key operation

Display

Enter the total number

s

18

N

18~N

 

of payments.

 

 

 

 

 

1800

 

 

 

 

 

 

 

 

 

Enter the future value.

300000 T

3—————~FV

 

 

 

 

 

 

30000000

Set the present value to

0

v

 

—~PV

 

 

zero.

 

 

 

 

 

000

 

 

 

 

 

 

 

 

 

 

 

 

Enter the annual inter-

3.6

f

3.6~I/Y

 

 

est rate.

 

 

 

 

 

360

 

 

 

 

 

 

 

 

 

Calculate payment.

@u

PMT=

-1624570

Answer: The monthly investment should be $16,245.70.

2 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?

PV = $2,995

FV = $2,995 10% = $299.5

. . . . . .

PMT = –$145

 

 

N = 24

 

I/Y = ?%

Procedure

 

Key operation

 

Display

 

 

 

 

 

 

 

 

 

Set all the variables to

 

.b

 

 

 

 

default values.

 

 

 

 

 

000

 

 

 

 

 

 

 

 

 

 

 

 

 

Set to annuity due

 

."

 

 

 

 

(BGN is displayed).

 

 

 

 

 

000

 

 

 

 

 

 

 

 

 

 

 

 

 

Set the number of pay-

 

.w

12

Q

 

P/Y=

 

 

 

ments per year to 12.

 

 

 

 

 

1200

 

 

 

 

 

 

 

 

 

 

 

 

 

29

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Image 30
Sharp EL-738 operation manual 1800, 30000000, 360, 1624570, Annuity due