diff --git a/app/Concert.php b/app/Concert.php
index d1ddb66..0dad499 100644
--- a/app/Concert.php
+++ b/app/Concert.php
@@ -48,7 +48,7 @@ class Concert extends Model
 
     public function orders()
     {
-        return $this->belongsToMany(Order::class, 'tickets');
+        return Order::whereIn('id', $this->tickets()->pluck('order_id'));
     }
 
     public function hasOrderFor($customerEmail)
@@ -114,4 +114,9 @@ class Concert extends Model
     {
         return number_format(($this->ticketsSold() / $this->totalTickets()) * 100, 2);
     }
+
+    public function revenueInDollars()
+    {
+        return $this->orders()->sum('amount') / 100;
+    }
 }
diff --git a/resources/views/backstage/published-concert-orders/index.blade.php b/resources/views/backstage/published-concert-orders/index.blade.php
index afafc82..fb6777f 100644
--- a/resources/views/backstage/published-concert-orders/index.blade.php
+++ b/resources/views/backstage/published-concert-orders/index.blade.php
@@ -49,7 +49,7 @@
                         <div class="card-section p-md-l-2 text-center text-md-left">
                             <h3 class="text-base wt-normal m-xs-b-1">Total Revenue</h3>
                             <div class="text-jumbo wt-bold">
-                                $10,353
+                                ${{ $concert->revenueInDollars() }}
                             </div>
                         </div>
                     </div>
diff --git a/tests/Unit/ConcertTest.php b/tests/Unit/ConcertTest.php
index a9d62e6..d694059 100644
--- a/tests/Unit/ConcertTest.php
+++ b/tests/Unit/ConcertTest.php
@@ -111,10 +111,21 @@ class ConcertTest extends TestCase
         $concert->tickets()->saveMany(factory(Ticket::class, 2)->create(['order_id' => 1]));
         $concert->tickets()->saveMany(factory(Ticket::class, 5)->create(['order_id' => null]));
 
-        // $this->assertEquals(0.285714286, $concert->percentSoldOut(), '', 0.00001);
         $this->assertEquals(28.57, $concert->percentSoldOut());
     }
 
+    /** @test */
+    function calculating_the_revenue_in_dollars()
+    {
+        $concert = factory(Concert::class)->create();
+        $orderA = factory(Order::class)->create(['amount' => 3850]);
+        $orderB = factory(Order::class)->create(['amount' => 9625]);
+        $concert->tickets()->saveMany(factory(Ticket::class, 2)->create(['order_id' => $orderA->id]));
+        $concert->tickets()->saveMany(factory(Ticket::class, 5)->create(['order_id' => $orderB->id]));
+
+        $this->assertEquals(134.75, $concert->revenueInDollars());
+    }
+
     /** @test */
     function trying_to_reserve_more_tickets_than_remain_throws_an_exception()
     {