HW4.7

 1 public class Solution
 2 {
 3     public static void main(String[] args)
 4     {
 5         double rate = 0.05;
 6         double balance = 10000;
 7         double sum = 0;
 8 
 9         for(int i = 0; i < 10; i++)
10             balance = balance * (1 + rate);
11 
12         System.out.println("The cost after 10 years is " + balance);
13 
14         for(int i = 0; i < 4; i++)
15         {
16             balance = balance * (1 + rate);
17             sum += balance;
18         }
19 
20         System.out.println("The total cost of 4 years: " + sum);
21     }
22 }