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Solved problem on future worth method - 3

Solved problem on future worth method - 3

The cash flow diagram of two alternatives shown in figure 1 and figure 2.
Figure 1
Figure 2

Evaluate the alternatives based on future worth method at i = 10%, compounded annually and select the best one.

Given data
Method = Future worth method - revenue dominated cash flow
i = 10%
Alternative 1
P = . 7,00,000
R1 = . 50,000
R2 = . 1,00,000
R3 = . 1,50,000
R4= . 2,00,000
R5 = . 2,50,000
R6 = . 3,00,000
A1 = . 50,000
G = . 50,000
n = 6 years
S = .0
Alternative 2
P = . 9,00,000
R1 = . 60,000
R2 = . 1,20,000
R3 = . 1,80,000
R4= . 2,40,000
R5 = . 3,00,000
R6 = . 3,60,000
A1 = . 60,000
G = . 60,000
n = 6 years
S = .0
Formula used
Here revenue on all years is in an incremental order. So need to convert it into annual equal amount.
A = A1 + G (A/G, i, n)
FW(i) = -P (F/P, i, n) + A (F/A, i, n) + S


Solution
Alternative 1
A         = 50,000 + 50,000 (A/G, 10%, 6)
            = 50,000 + 50,000 (2.2236)
            = 50,000 + 1,11,180
A         = . 1,61,180
FW(10%)1    = - 7,00,000 (F/P, 10%, 6) + 1,61,180 (F/A, 10%, 6) + 0
= - 7,00,000 (1.949)+ 1,61,180 (7.716)
= - 13,64,300 + 12,43,664.88
FW(10%)1   = . -1,20,635.12
Alternative 2
A         = 60,000 + 60,000 (A/G, 10%, 6)
            = 60,000 + 60,000 (2.2236)
            = 60,000 + 1,33,416
A         = . 1,93,416
FW(10%)2    = - 9,00,000 (F/P, 10%, 6) + 1,93,416 (F/A, 10%, 6) + 0
= - 9,00,000 (1.949) + 1,93,416 (7.716)
= -  17,54,100 + 14,92,397.856
FW(10%)2   = -2,61,702.144
Result
In future worth method revenue dominated cash flow, the alternative which has maximum future worth amount is the best alternative. Therefore alternative 1 is the best alternative. (Note: Here both the alternative is given negative result. So both can be rejected.)