Lump Sum Cash Flow: It
is a single cash flow on which interest earn for fixed period.
Multiple Cash Flows: It
is a fixed or uneven series of cash flows for fixed period.
Formulas for Lump Sum and Multiple Cash Flows:
Variables
|
Formula
|
PV
|
FV/ (1+r) n
|
FV
|
PV (1+r) n
|
N
|
In(FV / PV)/In (1+r)
|
R
|
(FV /PV) 1/n-1
|
Where,
FV =Future Value
PV =Present Value
N = Number of periods
R = rate of interest
Example 1: Mr.
Sharma deposit Rs.20000 for 12 years @7% compounded quarterly into saving a/c.
Find out the future value of investment?
FV = PV (1+r) n
= 20000 (1+0.0175) 48
= 45991.97
Example 2: If
someone wants to have Rs.10, 00,000 after his retirement then how much amount
he would have to invest now @8% per annum compounded annually for 20 years?
PV = FV / (1+r) n
= 10, 00,000 / (1+0.08) 20
= 10, 00,000 / 4.66095714
= 214548.20
Example 3: Nikhil
borrow Rs.500, 000 @ 9% compounded monthly and he will have to pay Rs.560, 000
to bank at the end of the loan period. Find out the loan period (n).
N =In (FV/PV) /In (1+r)
= In (560000/500000) / In (1+0.0075)
= In (1.12) /In (1.0075)
= 0.11332/0.00747
=15
Example 4: Mr.
A provide loan of Rs.200, 000 to Mr. B for 4 years and after completion of loan
period employee have to pay Rs.320, 000.Find out the interest rate charged by
Mr. A?
I = (FV/PV) 1/n-1
= (360,000/200,000) 1/4-1
= (1.8) 1/3-1
= 15.8%
Problems of Multiple Cash Flows:
Example 1: suppose
Company A purchase machinery at the cost of Rs50, 000 @ 6% compounded half
yearly and the machine provides following returns in 5 years:
1. 25000
2. 22000
3. 10000
4. 5000
5. 2000
Find out the net present value?
PV = FV/ (1+r) n
Year
|
Formula
|
Present Value
|
1
|
25000/(1+0.03) 8
|
19735.23
|
2
|
22000/(1+0.03) 6
|
18424.65
|
3
|
10000/(1+0.03) 4
|
8884.87
|
4
|
5000/(1+0.03) 2
|
4712.97
|
5
|
2000/(1+0.03) 0
|
2000
|
TOTAL
|
53757.72
|
NPV= present value of investment-Initial investment
= 53757.72-50000
= 3757.72
Example 2: A
person deposits Rs.10000, Rs.10000, Rs.20000 and Rs.25000 for 4 years
respectively @ 8% compounded annually .Find out the future value?
FV=PV (1+r) n
Year
|
Formula
|
Future Value
|
1
|
10000(1+0.08) 3
|
12597.12
|
2
|
10000(1+0.08) 2
|
11664.00
|
3
|
20000(1+0.08)1
|
21600.00
|
4
|
25000(1+0.08) 0
|
25000.00
|
TOTAL
|
Rs. 70861.12
|
*If cash deposits at the end of a year then “n” is
3 and if it deposits at the beginning of a year then “n” is 4.
Example: Neha wants to invest for his son’s education for 10 years at the beginning of each year @ 8.2% compounded annually to get Rs. 12, 000 ,Rs. 10, 000 , Rs. 11, 000, Rs. 8, 500, Rs. 7, 600,Rs.
8, 000 , Rs. 13, 000, Rs. 9, 000 , Rs.
12, 100 ,Rs. 6, 000 in the future find
out the total present value of future cash flows.
Solution:
Year
|
Formula = FV / (1+r) n
|
Present Value
|
1
|
12, 000 /(1+0.082) 10
|
5, 455
|
2
|
10, 000 / (1+ 0.082) 9
|
4, 926
|
3
|
11, 000 / (1+ 0.082) 8
|
5, 851
|
4
|
8, 500 / (1+ 0.082) 7
|
4, 885
|
5
|
7, 600 / (1+ 0.082) 6
|
4, 750
|
6
|
8, 000 / (1+ 0.082) 5
|
5, 405
|
7
|
13, 000 / (1+ 0.082) 4
|
9, 489
|
8
|
9, 000 / (1+ 0.082) 3
|
7, 087
|
9
|
12, 000 / (1+ 0.082) 2
|
10, 256
|
10
|
6, 000 / (1+ 0.082) 1
|
5, 545
|
Total
|
Rs. 63, 649
|
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