diff --git a/tests/depreciation/view.pdf.php b/tests/depreciation/view.pdf.php
index c092303..6792f78 100755
--- a/tests/depreciation/view.pdf.php
+++ b/tests/depreciation/view.pdf.php
@@ -48,24 +48,24 @@ $pdf->SetFillColor(67, 74, 81);
 $pdf->Rect(0, 110, $pdf->getPageWidth(), 145, 'F');
 
 $html = '<table>
-	<tr>
-	    <th>' . $lang['Period'] . '</th>
-	    <th>' . $lang['StraightLine'] . '</th>
-	    <th>' . $lang['ArithmeticDegressive'] . '</th>
-	    <th>' . $lang['ArithmeticProgressive'] . '</th>
-	    <th>' . $lang['GeometricDegressive'] . '</th>
-	    <th>' . $lang['GeometricProgressive'] . '</th>
+    <tr>
+        <th>' . $lang['Period'] . '</th>
+        <th>' . $lang['StraightLine'] . '</th>
+        <th>' . $lang['ArithmeticDegressive'] . '</th>
+        <th>' . $lang['ArithmeticProgressive'] . '</th>
+        <th>' . $lang['GeometricDegressive'] . '</th>
+        <th>' . $lang['GeometricProgressive'] . '</th>
     </tr>';
 
 for ($i = 1; $i <= $duration; ++$i) {
-	$html .= '<tr>';
-	$thml .= '<td>' . $i . '</td>';
-	$thml .= '<td>' . $this->getCurrency(Depreciation::getStraightLineResidualInT($amount, $duration, $i), 'medium', '') . '</td>';
-	$thml .= '<td>' . $this->getCurrency(Depreciation::getArithmeticDegressiveDepreciationResidualInT($amount, 0.0, $duration, $i), 'medium', '') . '</td>';
-	$thml .= '<td>' . $this->getCurrency(Depreciation::getArithmeticProgressiveDepreciationResidualInT($amount, 0.0, $duration, $i), 'medium', '') . '</td>';
-	$thml .= '<td>' . $this->getCurrency(Depreciation::getGeometicProgressiveDepreciationResidualInT($amount, $amount * 0.1, $duration, $i), 'medium', '') . '</td>';
-	$thml .= '<td>' . $this->getCurrency(Depreciation::getGeometicDegressiveDepreciationResidualInT($amount, $amount * 0.1, $duration, $i), 'medium', '') . '</td>';
-	$thml .= '</tr>';
+    $html .= '<tr>';
+    $thml .= '<td>' . $i . '</td>';
+    $thml .= '<td>' . $this->getCurrency(Depreciation::getStraightLineResidualInT($amount, $duration, $i), 'medium', '') . '</td>';
+    $thml .= '<td>' . $this->getCurrency(Depreciation::getArithmeticDegressiveDepreciationResidualInT($amount, 0.0, $duration, $i), 'medium', '') . '</td>';
+    $thml .= '<td>' . $this->getCurrency(Depreciation::getArithmeticProgressiveDepreciationResidualInT($amount, 0.0, $duration, $i), 'medium', '') . '</td>';
+    $thml .= '<td>' . $this->getCurrency(Depreciation::getGeometicProgressiveDepreciationResidualInT($amount, $amount * 0.1, $duration, $i), 'medium', '') . '</td>';
+    $thml .= '<td>' . $this->getCurrency(Depreciation::getGeometicDegressiveDepreciationResidualInT($amount, $amount * 0.1, $duration, $i), 'medium', '') . '</td>';
+    $thml .= '</tr>';
 }
 
 $html = '</table>';
diff --git a/tests/depreciation/view.ppt.php b/tests/depreciation/view.ppt.php
index 95bdffd..4559300 100755
--- a/tests/depreciation/view.ppt.php
+++ b/tests/depreciation/view.ppt.php
@@ -49,10 +49,10 @@ $oSlide1->setBackground($oBkgColor);
 
 $shape = new File();
 $shape->setName('Company Logo')
-	->setDescription('Company Logo')
-	->setPath(__DIR__ . '/logo.png')
-	->setHeight(300)
-	->setOffsetX(320)
+    ->setDescription('Company Logo')
+    ->setPath(__DIR__ . '/logo.png')
+    ->setHeight(300)
+    ->setOffsetX(320)
     ->setOffsetY(120);
 $oSlide1->addShape($shape);
 
@@ -145,10 +145,10 @@ $shape->createParagraph()->createTextRun('Word');
 
 $shape = new File();
 $shape->setName('Company Logo')
-	->setDescription('Company Logo')
-	->setPath(__DIR__ . '/logo.png')
-	->setHeight(50)
-	->setOffsetX(880)
+    ->setDescription('Company Logo')
+    ->setPath(__DIR__ . '/logo.png')
+    ->setHeight(50)
+    ->setOffsetX(880)
     ->setOffsetY(650);
 $oSlide2->addShape($shape);
 
@@ -234,10 +234,10 @@ $shape->createParagraph()
 
 $shape = new File();
 $shape->setName('Company Logo')
-	->setDescription('Company Logo')
-	->setPath(__DIR__ . '/logo.png')
-	->setHeight(50)
-	->setOffsetX(880)
+    ->setDescription('Company Logo')
+    ->setPath(__DIR__ . '/logo.png')
+    ->setHeight(50)
+    ->setOffsetX(880)
     ->setOffsetY(650);
 $oSlide3->addShape($shape);
 
@@ -301,10 +301,10 @@ $shape->createParagraph()->createTextRun('Internal APIs (everything from the Kar
 
 $shape = new File();
 $shape->setName('Company Logo')
-	->setDescription('Company Logo')
-	->setPath(__DIR__ . '/logo.png')
-	->setHeight(50)
-	->setOffsetX(880)
+    ->setDescription('Company Logo')
+    ->setPath(__DIR__ . '/logo.png')
+    ->setHeight(50)
+    ->setOffsetX(880)
     ->setOffsetY(650);
 $oSlide4->addShape($shape);
 
@@ -314,10 +314,10 @@ $oSlide5->setBackground($oBkgColor);
 
 $shape = new File();
 $shape->setName('Company Logo')
-	->setDescription('Company Logo')
-	->setPath(__DIR__ . '/logo.png')
-	->setHeight(300)
-	->setOffsetX(320)
+    ->setDescription('Company Logo')
+    ->setPath(__DIR__ . '/logo.png')
+    ->setHeight(300)
+    ->setOffsetX(320)
     ->setOffsetY(120);
 $oSlide5->addShape($shape);