Display prices in PLN

src/Models/Product.php

@@ -104,6 +104,11 @@ class Product extends Model
         );
     }
 
+    public function conversionRate(): ?float
+    {
+        return $this->conversionRate;
+    }
+
     public function isDiscontinued(): bool
     {
         return $this->lastSeen < now()->format('Y-m-d');