Question

In: Economics

Use the gradient method to solve the following problem. The Diamond Company is planning to purchase...

Use the gradient method to solve the following problem.

The Diamond Company is planning to purchase a stamping machine in 5 years and plans to save by depositing $20000 at the end of year 1 and will increase the deposits by $5000 each year thereafter. How much will the company have in the account at the end of five (5) years if the interest rate is 4% compounded annually?

Solutions

Expert Solution

I have shown two workings based on assumptions of the timing of deposits.

Formula for Future or Compounded Value = PV*(1+R%)^(N-1)

PV is the Present Value or Annual Deposits

R= Interest %

N = Time period

Time Period Annual Deposits Formula Compounded Value
P1 20000.0 20000*(1+4/100)^(5-1)     23,397.2
P2 5000.0 5000*(1+4/100)^(5-1)       5,849.3
P3 5000.0 5000*(1+4/100)^(4-1)       5,624.3
P4 5000.0 5000*(1+4/100)^(3-1)       5,408.0
P5 5000.0 5000*(1+4/100)^(2-1)       5,200.0
Value at the end of 5 Years     45,478.8
The above calculation is based on the assumption that all the deposits except the Deposit of 20000 in Year 1 are being made at the beginning of the year
Time Period Annual Deposits Formula Compounded Value
P1 20000.0 20000*(1+4/100)^(5-1)     23,397.2
P2 5000.0 5000*(1+4/100)^(4-1)       5,624.3
P3 5000.0 5000*(1+4/100)^(3-1)       5,408.0
P4 5000.0 5000*(1+4/100)^(2-1)       5,200.0
P5 5000.0 No interest       5,000.0
Value at the end of 5 Years     44,629.5
Assumption that all the deposits are being made at the end of the year

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