Updated value to match v8.0 book

Author: BenjaminMichaelis

src/Chapter04.Tests/Listing04.02.Negative.Tests.cs

@@ -8,7 +8,7 @@ public class ProgramTests
         [TestMethod]
         public void MainTest()
         {
-            const string expected = @"-18125876697430.99";
+            const string expected = @"-26457079712930.80";
 
             IntelliTect.TestTools.Console.ConsoleAssert.Expect(
                 expected, Program.Main);

src/Chapter04/Listing04.02.Negative.cs

@@ -5,7 +5,7 @@ public class Program
         public static void Main()
         {
             //National Debt to the Penny
-            decimal debt = -28382607800141.79M;
+            decimal debt = -26457079712930.80M;
 
             System.Console.WriteLine(debt);
         }