In: Accounting
"Invest a certain sum (in lakhs of rupees) in any month; invest half of that amount in the next month. In the subsequent month, one would get twice the amount invested originally in the first month”. This scheme is available only for the next six months (Encashment is possible on 181st day). Returns received at the end of any month can be used immediately for reinvesting either as a fresh investment or as a follow-up investment. Develop a mathematical model to optimize the investment strategy.
Answer:
From the given data
Invest a certain sum in any month & invest half of that in the next month. In the subsequent month, one would get twice the amount invested originally in the 1st month
According to above words, Lets invest in
First Month be X1
Second Month be X2
Third Month be X3
Similary, for Money received in First, second & Third Years be Y1, Y2, Y3.
Now,
1==> Invest a certain sum in any month & invest half of that in the next month
From the above line Lets take
X1 + X2 ==> 10,000,000
where from point (1), we understand that
X1 ==> 2 * X2
Then Approximately we get that
First Month (X1) ==> 6,670,000 & Second Month (X2) ==> 3,335,000
Now, Lets take third year
Y3 ==> 2 * (First Month)
Y3 ==> 2*X1 ==> 2 * 6,670,000 ==> 13,340,000
With this we can calculate Third Month
X3 ==> Y3 * (2/3) ==> 13,340,000 * (2/3) ==> 8,893,334
Calculations of the model to optimize the investment strategy:
Month | Investment | Calculations | Output | Calculations |
X1 | 6,670,000 | - | - | - |
X2 | 3,335,000 | 6,670,000/2 | - | - |
X3 | 8,893,334 | 13,340,000(2/3) | 13,340,000 | 6,670,000*2 |
X4 | 4,446,667 | 8,893,334/2 | - | - |
X5 | 11,857,779 | 17,786,668(2/3) | 17,786,668 | 8,893,334*2 |
X6 | 5,928,889 | 11857779/2 | - | |
Final encashment | 23,715,558 | 11,857,779*2 |
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