diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..1545b02
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,3 @@
+./venv/
+.hgignore
+.Python
diff --git a/mortgage/templates/main.html b/mortgage/templates/main.html
index 9edc972..1b0c7db 100644
--- a/mortgage/templates/main.html
+++ b/mortgage/templates/main.html
@@ -74,17 +74,18 @@
         <table border="1px" align="center">
             <thead>
             <tr>
-                <th colspan="8">Loan History</th>
+                <th colspan="9">Loan History</th>
             </tr>
             <tr>
                 <th width='5%'>#</td>
                 <th width='10%'>Due Date</th>
                 <th width='10%'>Date Paid</th>
                 <th width='10%'>Days Interest</th>
-                <th width='15%' align='right'>Payment Amt</th>
-                <th width='15%' align='right'>Principal Pmt</th>
-                <th width='15%' align='right'>Interest Pmt</th>
-                <th width='20%' align='right'>New Balance</th>
+                <th width='12%' align='right'>Payment Amt</th>
+                <th width='12%' align='right'>Principal Pmt</th>
+                <th width='12%' align='right'>Interest Pmt</th>
+                <th width='10%' align='right'>Late Fee</th>
+                <th width='24%' align='right'>New Balance</th>
             </tr>
             </thead>
         <tbody>
@@ -97,13 +98,14 @@
                 <td align='right'> {{ "$%.2f"|format(item.payment_amount) }} </td>
                 <td align='right'> {{ "$%.2f"|format(item.principal_payment) }} </td>
                 <td align='right'> {{ "$%.2f"|format(item.interest_payment) }} </td>
+                <td align='right'> {{ "$%.2f"|format(item.late_fee) }} </td>
                 <td align='right'> {{ "$%.2f"|format(item.new_balance) }} </td>
             </tr>
         {% if item.month == 12 or loop.last %}
-            <tr><td colspan='8'"> Total interest paid in {{item.year}} is {{ "$%.2f"|format(item.annual_interest_to_date) }}.</td></tr>
+            <tr><td colspan='9'"> Total interest paid in {{item.year}} is {{ "$%.2f"|format(item.annual_interest_to_date) }}.</td></tr>
         {% endif %}
         {% endfor %}
-            <tr><td colspan='8'"> Total interest paid to date is {{ "$%.2f"|format(model.total_interest_paid_to_date) }}.</td></tr>
+            <tr><td colspan='9'"> Total interest paid to date is {{ "$%.2f"|format(model.total_interest_paid_to_date) }}.</td></tr>
         </tbody>
         </table>
     </div>
@@ -172,6 +174,8 @@
             <tr><td><input type="date" name="date"</td></tr>
             <tr><td bgcolor="beige">Payment Amount:</td></tr>
             <tr><td><input type="text" name="amount"></td></tr>
+            <tr><td bgcolor="beige">Late Fee Amount:</td></tr>
+            <tr><td><input type="text" name="latefee"></td></tr>
             <tr><td><button>Record Payment</button></td></tr>
         </table>
         </form>
diff --git a/mortgage/templates/statement.html.jinja b/mortgage/templates/statement.html.jinja
index 48e124c..72db61f 100644
--- a/mortgage/templates/statement.html.jinja
+++ b/mortgage/templates/statement.html.jinja
@@ -27,10 +27,11 @@
     <th width='10%'>Due Date</th>
     <th width='10%'>Date Paid</th>
     <th width='10%'>Days Interest</th>
-    <th width='15%' align='right'>Payment Amt</th>
-    <th width='15%' align='right'>Principal Pmt</th>
-    <th width='15%' align='right'>Interest Pmt</th>
-    <th width='20%' align='right'>New Balance</th>
+    <th width='12%' align='right'>Payment Amt</th>
+    <th width='12%' align='right'>Principal Pmt</th>
+    <th width='12%' align='right'>Interest Pmt</th>
+    <th width='10%' align='right'>Late Fee</th>
+    <th width='19%' align='right'>New Balance</th>
 </tr></thead>
 <tbody>
 {% for item in model.past_payments %}
@@ -41,6 +42,7 @@
     <td align='right'> {{ "$%.2f"|format(item.payment_amount) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.principal_payment) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.interest_payment) }} </td>
+    <td align='right'> {{ "$%.2f"|format(item.late_fee) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.new_balance) }} </td>
 </tr>
     {% if item.month == 12 or loop.last %}
diff --git a/mortgage/templates/statement.pdf.jinja b/mortgage/templates/statement.pdf.jinja
index 48e124c..944d6f3 100644
--- a/mortgage/templates/statement.pdf.jinja
+++ b/mortgage/templates/statement.pdf.jinja
@@ -27,10 +27,11 @@
     <th width='10%'>Due Date</th>
     <th width='10%'>Date Paid</th>
     <th width='10%'>Days Interest</th>
-    <th width='15%' align='right'>Payment Amt</th>
-    <th width='15%' align='right'>Principal Pmt</th>
-    <th width='15%' align='right'>Interest Pmt</th>
-    <th width='20%' align='right'>New Balance</th>
+    <th width='12%' align='right'>Payment Amt</th>
+    <th width='12%' align='right'>Principal Pmt</th>
+    <th width='12%' align='right'>Interest Pmt</th>
+    <th width='10%' align='right'>Late Fee</th>
+    <th width='24%' align='right'>New Balance</th>
 </tr></thead>
 <tbody>
 {% for item in model.past_payments %}
@@ -41,6 +42,7 @@
     <td align='right'> {{ "$%.2f"|format(item.payment_amount) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.principal_payment) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.interest_payment) }} </td>
+    <td align='right'> {{ "$%.2f"|format(item.late_fee) }} </td>
     <td align='right'> {{ "$%.2f"|format(item.new_balance) }} </td>
 </tr>
     {% if item.month == 12 or loop.last %}
@@ -56,9 +58,9 @@
 <table>
 <thead>
 <tr>
-    <th width='8%'>#</th>
+    <th width='10%'>#</th>
     <th width='15%'>Due Date</th>
-    <th width='8%'>Days Interest</th>
+    <th width='10%'>Days Interest</th>
     <th width='15%' align='right'>Payment Amt</th>
     <th width='15%' align='right'>Principal Pmt</th>
     <th width='15%' align='right'>Interest Pmt</th>
diff --git a/mortgage/templates/statement.text.jinja b/mortgage/templates/statement.text.jinja
index d7fbef2..e205e2b 100644
--- a/mortgage/templates/statement.text.jinja
+++ b/mortgage/templates/statement.text.jinja
@@ -7,6 +7,7 @@ Payment History
     Payment Amount
     Principal Payment
     Interest Payment
+    Late Fee
     New Balance
 
 {% for item in past_payments %}
@@ -17,6 +18,7 @@ Payment History
 {{ item.payment_amount }}
 {{ item.principal_payment }}
 {{ item.interest_payment }}
+{{ item.late_fee }}
 {{ item.new_balance }}
 
     {% if item.print_interest_total %}
diff --git a/mortgage/web.py b/mortgage/web.py
index 90da3df..7413512 100644
--- a/mortgage/web.py
+++ b/mortgage/web.py
@@ -74,9 +74,9 @@ def update_file():
 
     if proceed_flag is True:
         try:
-            backup_filename = loanFile + ".backup-" + datetime.now().strftime("%Y-%m-%d %H-%M-%S")
+            backup_filename = loanFile + ".backup-" + datetime.now().strftime("%Y-%m-%d %H-%M-%S") + ".json"
             backup_file = open(getFullPathofLoanFile(backup_filename), 'w+')
-            json.dump(data, backup_file)
+            json.dump(data, backup_file, indent=2)
             backup_file.close()
         except:
             messages.append("A backup file could not be created.  Your payment was not recorded.")
@@ -88,7 +88,7 @@ def update_file():
         try:
             payment_history.append( [payment_date, str(payment_amount)])
             file = open(getFullPathofLoanFile(loanFile), 'w+')
-            json.dump(data, file)
+            json.dump(data, file, indent=2)
             file.close()
         except:
             messages.append("An error occurred writing to the file.  Your payment file may be corrupt, " + \
@@ -252,6 +252,10 @@ def amortizeLoan(loan):
         payment_date = datetime.strptime((payment[0]), '%Y-%m-%d').date()
         payment_amount = Decimal(payment[1]).quantize(Decimal("1.00"))
         days_since_last_payment = (payment_date - interest_paid_through_date).days
+        if len(payment)>2:
+            late_fee = Decimal(payment[2]).quantize(Decimal("1.00"))
+        else:
+            late_fee = Decimal("0.00")
 
         #check for out of order payments, generally a sign of a data entry problem, especially years
         if days_since_last_payment < 0:
@@ -260,7 +264,7 @@ def amortizeLoan(loan):
             quit()
 
         new_interest = (days_since_last_payment * remaining_principal * daily_interest_rate).quantize(Decimal("0.00"))
-        new_principal = payment_amount - new_interest
+        new_principal = payment_amount - new_interest - late_fee
         interest_paid_through_date = payment_date
         total_interest = total_interest + new_interest
         annual_interest = annual_interest + new_interest
@@ -276,11 +280,12 @@ def amortizeLoan(loan):
         payment_record['payment_date'] = payment_date
         payment_record['days_of_interest'] = days_since_last_payment
         payment_record['payment_amount'] = payment_amount
-        payment_record['principal_payment'] = payment_amount - new_interest
+        payment_record['principal_payment'] = payment_amount - new_interest - late_fee
         payment_record['interest_payment'] = new_interest
         payment_record['new_balance'] = remaining_principal
         payment_record['interest_to_date'] = total_interest
         payment_record['annual_interest_to_date'] = annual_interest
+        payment_record['late_fee'] = late_fee
         past_payments.append(payment_record)
 
         payment_number = payment_number + 1