01: #include <iostream>
02: #include <cmath>
03: 
04: using namespace std;
05: 
06: double future_value(double p)
07: {  
08:    double b = 1000 * pow(1 + p / 100, 10);
09:    return b;
10: }
11: 
12: int main()
13: {  
14:    cout << "Please enter the interest rate in percent: ";
15:    double rate;
16:    cin >> rate;
17: 
18:    double balance = future_value(rate);
19:    cout << "After 10 years, the balance is " 
20:       << balance << "\n";
21: 
22:    return 0;
23: }