Question

Visual C#

Create Present Value application

Application that lets you deposit a certain amount of money into a savings account and then leave it alone to draw interest for the next 10 years. At the end of 10 years you would like to have $10,000 in the account. How much do you need to deposit today to make that happen? You can use the following present-value formula, to find out. P =F/(1+r)^n

P is the present value, or the amount that you need to deposit today.

F is the future value, that you want in the account. (In this case, F is $10,000.)

r is the annual interest rate.

n is the number of years that you plan to let the money sit in the account.

Write a method named PresentValue that performs this calculation. The method should accept the future value, annual interest rate, and number of years as arguments. It should return the present value, which is the amount that you need to deposit today. Demonstrate the method in an application that lets the user experiment with different values for the formula's terms

Answer 1

Code

class Present_Value
{
static void Main(string[] args)
{
int n = 10;
double r=0.10;
double f = 10000,p;

p = PresentValue(f, r, n);

Console.WriteLine("If you want "+f.ToString("C")+" after "+n+" years "+" at aintrest rate of "+r.ToString("P")+".");
Console.WriteLine("The you need have deposite " + p.ToString("C"));
}

private static double PresentValue(double f, double r, int n)
{
double p;
p = (f / Math.Pow((1+r), n));
return p;
}
}

output

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